Bull is a type of Policeman. Bull is a type of Push. Push is a synonym of Shove. Shove is the opposite of Pull. 
Hearing is related to Laugh. one thing you do when you Laugh is Smile. Smile is related to Feeling. 
Policeman <--IsA-- Bull --IsA--> Push <--Synonym--> Shove <--Antonym--> Pull 
Hearing <--RelatedTo--> Laugh --HasSubevent--> Smile <--RelatedTo--> Feeling 