Friendship is a type of Film. Friendship is related to Need. 
you are likely to find Coin in/at/on Ground. Ground is the opposite of Air. Dish can be used for Air. Dish is related to Signal. 
Film <--IsA-- Friendship <--RelatedTo--> Need 
Coin --AtLocation--> Ground <--Antonym--> Air <--UsedFor-- Dish <--RelatedTo--> Signal 