a blond-haired man with glasses and a blank tank top is sitting next to another man with glasses and headphones while sitting on a train .
Chances are about even that two men wearing glasses sit next to each other on a train .
It is certain that two men wearing glasses sit next to each other on a train .
Chances are about even that two men wearing glasses sit next to each other on a train .
Two men wearing glasses sit next to each other on a train .