Historian is a type of Scholar. you are likely to find Scholar in/at/on University. you are likely to find Thought in/at/on University. Thought is related to Mental. 
Blind is the opposite of Can. Can is related to Useful. Useful is related to Bag. Bag is related to Case. 
Historian --IsA--> Scholar --AtLocation--> University <--AtLocation-- Thought <--RelatedTo--> Mental 
Blind <--Antonym--> Can <--RelatedTo--> Useful <--RelatedTo--> Bag <--RelatedTo--> Case 