Teacher advices to every student should do one good work a day & the same to be tell in the class everyday. Afetr some days gone students were exhusted to find Good Works.

One find day, teacher ask tell the Good Works as a routine asking pupil one-by-one, as the turn of Ramu comes he told that he helped one old man to cross the road yeasterday after school. Teacher appriaciate him as "GOOD.." & Syam also told that helped one old man to cross the road after school & Vijay & Ajay too tells that they helped old man.
Then Teacher suprisingly ask them, "Then you were helped one old man, what?"
They replied, "Yes"
confused Teacher ask them "Why?"
They replies camly, "He is not will to cross the road."