A young women , dressed in a dark blue dance costume is participating in a cheer competition .
It is almost certain that at a cheer competition a young woman is dressed in a costume for dancing and is participating .
It is almost certain that at a cheer competition a young woman is dressed in a costume for dancing and is participating .
It is unlikely that at a cheer competition a young woman is dressed in a costume for dancing and is participating .
At a cheer competition a young woman is dressed in a costume for dancing and is participating .