Realize is related to Become. Become is related to Born. Born is related to Activity. 
Cabin is related to Summer. Summer is related to Sunny. Sunny is a different concept from Shade. 
Realize <--RelatedTo--> Become <--RelatedTo--> Born <--RelatedTo--> Activity 
Cabin <--RelatedTo--> Summer <--RelatedTo--> Sunny <--DistinctFrom--> Shade 