Provide your best answer for the following question. Give ONLY the answer, no other words or explanation.
For example:

Answer: <most likely answer, as short as possible; not a complete sentence, just the answer!>.

The question is: A girl with long hair is going to be participating in an experiment that uses an alcohol burner for an energy source. What is the best thing for her to do to prepare for this experiment?
tie her hair back away from her face
Tie back long hair.