Ear is a different concept from Eye. Eye is related to Man. Crew is a type of Man. 
Strength is related to Current. Current is related to Force. Force is a type of Act. Anticipate is a type of Act. 
Ear <--DistinctFrom--> Eye <--RelatedTo--> Man <--IsA-- Crew 
Strength <--RelatedTo--> Current <--RelatedTo--> Force --IsA--> Act <--IsA-- Anticipate 