Expected is the opposite of Unlikely. Unlikely is similar to Last. Last is a synonym of Continue. 
Action is related to Crawl. Crawl is related to Climb. Climb is related to Person. Collector is a type of Person. 
Expected <--Antonym--> Unlikely <--SimilarTo--> Last <--Synonym--> Continue 
Action <--RelatedTo--> Crawl <--RelatedTo--> Climb <--RelatedTo--> Person <--IsA-- Collector 