Generate a context and a hypothesis.
Context: How to dress for a high school dance (girls )<br>Go for a formal gown. If you are attending a formal dance like a winter formal or prom, you should go for a formal outfit. This means a formal dress that is floor length or no shorter than three inches above your knee, with a modest neckline.

Hypothesis: Girls going to a formal dance should wear a dress that's knee length.