Shoulder is part of Road. Road is related to Stop. Stop is related to Signal. 
Survivor is a different concept from Dead. Dead is related to Medical. Medical is related to Condition. 
Shoulder --PartOf--> Road <--RelatedTo--> Stop <--RelatedTo--> Signal 
Survivor <--DistinctFrom--> Dead <--RelatedTo--> Medical <--RelatedTo--> Condition 