one teacher was explaining a chemistry class about the water ..

he told his students that the water is composed of ( H2O)

after the lecture he told one of his students same question

( what does the water contain of ? )

the student ansewred : It composed oF ( H I J K L M N O )

the teacher surprised !! why did you say that ??

the student : b coz u told us b4 It contains of H to O

loooool ..