Blind is the opposite of Can. Can is related to Lid. 
you are likely to find Nerve in/at/on Tongue. Nerve is related to Body. Body is related to Tie. Tie is related to Fly. 
Blind <--Antonym--> Can <--RelatedTo--> Lid 
Tongue <--AtLocation-- Nerve <--RelatedTo--> Body <--RelatedTo--> Tie <--RelatedTo--> Fly 