Sentence 1: Cameron went to the playground. 
 Sentence 3: Cameron asked his friend if he could help him 
 Sentence 4:  Cameron's friend wanted to play on the see-saw 
 Sentence 5:  Cameron agreed to help his friend by playing on the see-saw 
 Option 1: He noticed one of his friends was laughing. 
 Option 2: He noticed that one of his friends was crying.