Sentence 1: Jack's dad had just bought him a four wheeler. 
 Sentence 3: The ATV tipped and through Jack off of it into a tree 
 Sentence 4:  Jack was lucky he was wearing a helmet or he could have been hurt 
 Sentence 5:  Jack's dad decided to sell the four wheeler and get Jack an XBox 
 Option 1: It was Jack's first time riding it and he took a turn too sharp. 
 Option 2: It was Jack's first time riding it and he had a great time that day.