Touch is related to Hand. Hand is related to Inside. Inside is a type of Surface. 
Secretary is related to Female. Female is a different concept from Son. Son is related to Man. Man is related to Gender. 
Touch <--RelatedTo--> Hand <--RelatedTo--> Inside --IsA--> Surface 
Secretary <--RelatedTo--> Female <--DistinctFrom--> Son <--RelatedTo--> Man <--RelatedTo--> Gender 