Classisover.Thestudentsarejumpingwithjoy,justlikerunawayhorses.Look,someofthemhavelefttheirseatsandbegintoplaynoisily.Theyarelaughingandscreamingfromtimetotime.Somedon'tleavetheirseats.Theyaremakinguseoftheshorttimetoplaygames.Sometimestheyarguesoseriouslyandsometimestheyappearsopolite.Othersaresittingintheirseats,asiftheyarethinkingofsomething.Nowandthentheywillstoptowatchwhatothersaredoing.Whatanactivetenminutes'breakitis!