Crack is a type of Drug. Crack is a synonym of Go. Go is a type of Airline. Indian is a type of Airline. 
Reward is related to Competition. Tournament is a type of Competition. Tournament is a type of Contest. 
Drug <--IsA-- Crack <--Synonym--> Go --IsA--> Airline <--IsA-- Indian 
Reward <--RelatedTo--> Competition <--IsA-- Tournament --IsA--> Contest 