Sentence 1: Timmy went on a camping trip. 
 Sentence 3: Timmy thought he was big enough to take care of himself 
 Sentence 4:  He wandered into a snake pit 
 Sentence 5:  After that, Timmy was always more careful when camping 
 Option 1: He was too careful and never left the campsite. 
 Option 2: His mother told him to be careful.