Two men with black rimmed glasses making faces and eating bread .
It is improbable that two men put on Groucho glasses and were making silly faces at each other .
It is improbable that two men put on Groucho glasses and were making silly faces at each other .
It is probably the case that two men put on Groucho glasses and were making silly faces at each other .
Two men put on Groucho glasses and were making silly faces at each other .