riddle!

Originally posted by: payalibm

in the precap shiv is in school...and phooli is saying to shiv till now all the riddles asked by you was v.hard and anandi was stnding outside the classroom window...and was listning all this...shiv said to phooli and other girls this time he will ask v.simple saa riddle...and then he asked - something as big as elephant but yet has no weight in it...so tell em the answer...as per my knowledge COTTON.got it u no head 😉