Outdoor is related to Weather. Weather is related to Coat. Coat is related to Outer. 
Trip is a type of Initiate. Trip is related to Summer. Summer is related to Cabin. 
Outdoor <--RelatedTo--> Weather <--RelatedTo--> Coat <--RelatedTo--> Outer 
Initiate <--IsA-- Trip <--RelatedTo--> Summer <--RelatedTo--> Cabin 