Sentence 1: The man was riding his motorcycle to work everyday as normal. 
 Sentence 3: While sneezing he closed his eyes 
 Sentence 4:  When his eyes opened a car had stopped in front of him 
 Sentence 5:  Reflexively, he avoided the car and made it work safely 
 Option 1: On a particularly narrow bend, he held back a sneeze. 
 Option 2: On a particularly narrow bend, he had to sneeze.