Sentence 1: Austin stole a bike from outside of the school. 
 Sentence 3: He abandoned the bike downtown 
 Sentence 4:  The police returned the bike to the owner before he knew it 
 Sentence 5:  The owner was not sure if he should be upset 
 Option 1: He rode the bike around town and took it home. 
 Option 2: He rode the bike around town until he became bored.