Protest is related to Movement. Movement is related to Rapid. 
Bullet is related to Pen. Pen is the opposite of Close. Close is similar to Short. Short is related to Article. 
Protest <--RelatedTo--> Movement <--RelatedTo--> Rapid 
Bullet <--RelatedTo--> Pen <--Antonym--> Close <--SimilarTo--> Short <--RelatedTo--> Article 