5 1 0 http://purl.obolibrary.org/obo/ExO_0000102 age 'age' SubClassOf 'human attribute' http://purl.obolibrary.org/obo/ExO_0000109 race 'race' SubClassOf 'human attribute' http://purl.obolibrary.org/obo/ExO_0000001 exposure_receptor 'exposure_receptor' SubClassOf 'interacts_with' some 'exposure stressor' 'exposure_receptor' SubClassOf http://purl.obolibrary.org/obo/RO_0002434 some 'exposure stressor' http://purl.obolibrary.org/obo/ExO_0000000 exposure stressor 'exposure stressor' SubClassOf 'interacts_with' some 'exposure_receptor' 'exposure stressor' SubClassOf http://purl.obolibrary.org/obo/RO_0002434 some 'exposure_receptor' http://purl.obolibrary.org/obo/ExO_0000110 sex 'sex' SubClassOf 'human attribute' http://purl.obolibrary.org/obo/ExO_0000022 exposure stimulus