Check is related to Mate. Mate is related to Friendship. 
Buy is related to Market. Market is related to Fruit. Fruit is a type of Consequence. Product is a type of Consequence. 
Check <--RelatedTo--> Mate <--RelatedTo--> Friendship 
Buy <--RelatedTo--> Market <--RelatedTo--> Fruit --IsA--> Consequence <--IsA-- Product 