Sentence 1: Andy loved street racing. 
 Sentence 3: They gathered at 2AM and started racing 
 Sentence 4:  But they were quickly seen by the cops 
 Sentence 5:  Andy split up with them and made it home safely 
 Option 1: So he joined a local street racing group. 
 Option 2: So watched a local street racing group for awhile then went home in the evening.