Sentence 1: Vince was putting up a shed in his backyard. 
 Sentence 3: He walked next door and asked his friend if he could borrow his 
 Sentence 4:  His friend allowed him to borrow and Vince walked back home 
 Sentence 5:  Vince finished the shed and then returned the shovel to his friend 
 Option 1: The instructions called for a shovel, but Vince didn't have one. 
 Option 2: The instructions called for a hammer, but Vince didn't have one.