Reverse is part of Coin. Coin is related to Disc. Disc is related to Circle. Track can Circle. 
Likely is a different concept from Impossible. Impossible is the opposite of Easy. Easy is related to Middle. Middle is a different concept from Elementary. 
Reverse --PartOf--> Coin <--RelatedTo--> Disc <--RelatedTo--> Circle <--CapableOf-- Track 
Likely <--DistinctFrom--> Impossible <--Antonym--> Easy <--RelatedTo--> Middle <--DistinctFrom--> Elementary 