At night , two men in glasses crouch near some plants .
It is probably not the case that two men wear their glasses to crouch down and identify the species of the plants .
It is probably not the case that two men wear their glasses to crouch down and identify the species of the plants .
There is a very good chance that two men wear their glasses to crouch down and identify the species of the plants .
Two men wear their glasses to crouch down and identify the species of the plants .