Sentence 1: Jill was at school with her friends. 
 Sentence 3: The diet consisted of nothing but vegetables and water 
 Sentence 4:  Jill didn't think it sounded healthy and commented as such 
 Sentence 5:  Luckily her friend trusted her and decided not to do the diet 
 Given Sentence 2: But he was caught in an avalanche of rocks.