A gentleman in the background watches the gentleman in the foreground demonstrate the technique for playing a game at the park on a sunny afternoon .
It is certain that a group of guys are watching the techniques for playing a game at the park
It is certain that a group of guys are watching the techniques for playing a game at the park
It is improbable that a group of guys are watching the techniques for playing a game at the park
A group of guys are watching the techniques for playing a game at the park