Fight is a different concept from Play. Play is related to Cheat. Beat is a type of Cheat. Beat is a synonym of Rhythm. 
Robot is a type of Worker. Worker is related to Person. Person wants (to) Time. Time is related to Hour. 
Fight <--DistinctFrom--> Play <--RelatedTo--> Cheat <--IsA-- Beat <--Synonym--> Rhythm 
Robot --IsA--> Worker <--RelatedTo--> Person --Desires--> Time <--RelatedTo--> Hour 