Brain is related to Shock. Shock is a synonym of Impact. Impact is related to Tap. 
Courtroom is related to Justice. Person wants (to) Justice. Person is the opposite of Crowd. 
Brain <--RelatedTo--> Shock <--Synonym--> Impact <--RelatedTo--> Tap 
Courtroom <--RelatedTo--> Justice <--Desires-- Person <--Antonym--> Crowd 