Two Yeshiva bochurim come to a locked private tennis court. After looking over the situation, they climb over the fence and start playing. The owner of the the tennis court notices them there and runs out. The owner screams at them can’t you guys read, the sign says “Closed no playing allowed.” The Yeshiva bochurim immediately start laughing; one turns to the other and while pointing to the owner says,”What an Am Ha’aretz – he can’t even give titche in a simple sign. It should be read, ‘Closed? No! Playing allowed!’ “