Traffic is related to Sign. Sign is a type of Hire. 
Member is related to Body. Body is related to Health. Health is a different concept from Disease. Disease is related to Chicken. 
Traffic <--RelatedTo--> Sign --IsA--> Hire 
Member <--RelatedTo--> Body <--RelatedTo--> Health <--DistinctFrom--> Disease <--RelatedTo--> Chicken 