Sentence 1: Jane's sorority were looking forward to white water rafting. 
 Sentence 3: They made sure that everyone that was going were a strong swimmer 
 Sentence 4:  They even had signed waivers in the event of an accident 
 Sentence 5:  The exciting rafting experience went off without a hitch 
 Given Sentence 2: She got a lot of it for her birthday as well.