Bed is related to Truck. Pickup is a type of Truck. 
Look is related to Care. Care is a synonym of Custody. Custody is related to Adopt. Adopt is a synonym of Appropriate. 
Bed <--RelatedTo--> Truck <--IsA-- Pickup 
Look <--RelatedTo--> Care <--Synonym--> Custody <--RelatedTo--> Adopt <--Synonym--> Appropriate 