Premise: two men in hi-viz jackets are talking to a man in suit next to the Penzance welcome sign that is carved into a rock .
Correct statement: It is certain that two men in jackets speak with a man that 's in a suit next to a sign engraved in a rock .
Incorrect statement: It is improbable that two men in jackets speak with a man that 's in a suit next to a sign engraved in a rock .