Sentence 1: I was driving to the store the other night. 
 Sentence 3: We were stopped at a stoplight 
 Sentence 4:  I flashed my high beams at him 
 Sentence 5:  He noticed and turned his lights on 
 Option 1: I noticed a man walking my way with a flashlight. 
 Option 2: I noticed a car coming my way had their headlights off.