A group of female musicians is playing in front of a building with an open instrument case in front of them .
There are female musicians playing at a school dance .
A group of female musicians is playing in front of a building with an open instrument case in front of them.
There are female musicians playing at a school dance.
One cannot be playing at a school dance and in front of a building at the same time.
One can not be playing at a school dance and in front of a building at the same time .