Sentence 1: Carla bought a new couch off the internet. 
 Sentence 3: It fit perfectly in the living room where her old couch had been 
 Sentence 4:  That evening Carla was looking forward to watching TV 
 Sentence 5:  She sat down in the couch and it was so comfortable she fell asleep 
 Given Sentence 2: He feared that they would one day bite him.