"Blue berry hill" joke

theres two guys and a gurl at school one guy walks into the class room and the teacher says "
were where you?"
the boy says "
on top of blue berry hill."
the other guy walks in and the teacher says "
were where you?"
he says "
on top of blue berry hill."
then the gurl walks in. The teacher asks "
who are you?"
she says "
i'm blue berry hill>"