The one on the right

Karol tried her luck and went to the right. For a moment she felt calm when she didn't see anyone, but also worried because she didn't see any sign telling her if she was near the bathroom.

Karol walked a little more, but stopped when he heard a familiar voice. At the end of the corridor she saw the same teacher who had scolded her moments ago and seemed to be talking to a cleaner.

She panicked. If the teacher saw her, she would send her to the principal. She had to think fast and leave or look for where to hide.