a woman in a brown dress looking at papers in front of a class.
A woman checking papers is a teacher.
Just because a woman is looking at papers doesn't mean she's checking them. Just because a woman is in front of a class it doesn't mean she's a teacher.
WE have no idea if she is a teacher, she could be anyone.
Just because a woman is looking at papers it does not mean the woman is a teacher or that she is checking papers.