Bull is the opposite of Female. Female is related to Miss. Miss is related to Woman. Woman is the opposite of Fisherman. 
Mental is related to Thought. Thought is a synonym of Opinion. 
Bull <--Antonym--> Female <--RelatedTo--> Miss <--RelatedTo--> Woman <--Antonym--> Fisherman 
Mental <--RelatedTo--> Thought <--Synonym--> Opinion 