A crowd of people are clapping their hands at a concert and some are wearing blue wristbands .
There is a very good chance that a group of people are singing along to their favorite band at a concert
There is a very good chance that a group of people are singing along to their favorite band at a concert
It is unlikely that a group of people are singing along to their favorite band at a concert
A group of people are singing along to their favorite band at a concert