| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| [X]Confined to or trapped in a low-oxygen environment, occurrence at home | Is a | False | Asphyxiation by environmental oxygen lack | Inferred relationship | Existential restriction modifier |  | 
| [X]Confined to or trapped in a low-oxygen environment, occurrence in residential institution | Is a | False | Asphyxiation by environmental oxygen lack | Inferred relationship | Existential restriction modifier |  | 
| [X]Confined to or trapped in a low-oxygen environment, occurrence at school, other institution and public administrative area | Is a | False | Asphyxiation by environmental oxygen lack | Inferred relationship | Existential restriction modifier |  | 
| [X]Confined to or trapped in a low-oxygen environment, occurrence at sports and athletics area | Is a | False | Asphyxiation by environmental oxygen lack | Inferred relationship | Existential restriction modifier |  | 
| [X]Confined to or trapped in a low-oxygen environment, occurrence on street and highway | Is a | False | Asphyxiation by environmental oxygen lack | Inferred relationship | Existential restriction modifier |  | 
| [X]Confined to or trapped in a low-oxygen environment, occurrence at trade and service area | Is a | False | Asphyxiation by environmental oxygen lack | Inferred relationship | Existential restriction modifier |  | 
| [X]Confined to or trapped in a low-oxygen environment, occurrence at industrial and construction area | Is a | False | Asphyxiation by environmental oxygen lack | Inferred relationship | Existential restriction modifier |  | 
| [X]Confined to or trapped in a low-oxygen environment, occurrence on farm | Is a | False | Asphyxiation by environmental oxygen lack | Inferred relationship | Existential restriction modifier |  | 
| [X]Confined to or trapped in a low-oxygen environment, occurrence at other specified place | Is a | False | Asphyxiation by environmental oxygen lack | Inferred relationship | Existential restriction modifier |  | 
| [X]Confined to or trapped in a low-oxygen environment, occurrence at unspecified place | Is a | False | Asphyxiation by environmental oxygen lack | Inferred relationship | Existential restriction modifier |  | 
| [X]Confined to or trapped in a low-oxygen environment, occurrence at home | Is a | False | Asphyxiation by environmental oxygen lack | Inferred relationship | Existential restriction modifier |  | 
| [X]Confined to or trapped in a low-oxygen environment, occurrence at school, other institution and public administrative area | Is a | False | Asphyxiation by environmental oxygen lack | Inferred relationship | Existential restriction modifier |  | 
| [X]Confined to or trapped in a low-oxygen environment, occurrence at other specified place | Is a | False | Asphyxiation by environmental oxygen lack | Inferred relationship | Existential restriction modifier |  | 
| [X]Confined to or trapped in a low-oxygen environment, occurrence in residential institution | Is a | False | Asphyxiation by environmental oxygen lack | Inferred relationship | Existential restriction modifier |  | 
| [X]Confined to or trapped in a low-oxygen environment, occurrence on street and highway | Is a | False | Asphyxiation by environmental oxygen lack | Inferred relationship | Existential restriction modifier |  | 
| [X]Confined to or trapped in a low-oxygen environment, occurrence at trade and service area | Is a | False | Asphyxiation by environmental oxygen lack | Inferred relationship | Existential restriction modifier |  | 
| [X]Confined to or trapped in a low-oxygen environment, occurrence at sports and athletics area | Is a | False | Asphyxiation by environmental oxygen lack | Inferred relationship | Existential restriction modifier |  | 
| [X]Confined to or trapped in a low-oxygen environment, occurrence on farm | Is a | False | Asphyxiation by environmental oxygen lack | Inferred relationship | Existential restriction modifier |  | 
| [X]Confined to or trapped in a low-oxygen environment, occurrence at industrial and construction area | Is a | False | Asphyxiation by environmental oxygen lack | Inferred relationship | Existential restriction modifier |  | 
| [X]Confined to or trapped in a low-oxygen environment, occurrence at unspecified place | Is a | False | Asphyxiation by environmental oxygen lack | Inferred relationship | Existential restriction modifier |  |