Sentence 1: John and his friends wanted to go fishing but didn't own a boat. 
 Sentence 3: An elderly man offered John his boat in exchange for $50 dollars 
 Sentence 4:  John accepted the offer and went fishing with his friends 
 Sentence 5:  They caught a lot of fish and had a good time 
 Given Sentence 2: The went to the dock and asked if they could borrow anyone's boat.