Context: I might add that Bunni got a kick out of Jeep drivers tipping their hands or waving at each other . See all the old cars ? Can you hear and smell the craziness ? There were lots of Harleys and motorcycles lining the streets , too .
Question: What may be the reason for strangers waving at each other ?
Option 0: Because they are drunk .
Option 1: None of the above choices .
Option 2: Because of their similar interest .
Option 3: Because they do n't want to be cordial .
Answer: 2