the last thing you do when you Communicate is Conclude. Conclude is a type of Agree. Agree is the opposite of Argue. 
Lend is the opposite of Borrow. Borrow is related to Rent. 
Communicate --HasLastSubevent--> Conclude --IsA--> Agree <--Antonym--> Argue 
Lend <--Antonym--> Borrow <--RelatedTo--> Rent 