Premise: "A group of children sit on the floor against a brick wall while a woman observes them."\nHypothesis: "The woman is the kids' teacher."\nDo we know that the hypothesis entailed by the premise?
Let's be accurate as possible. Think before you answer.
it is not possible to tell
A woman observing a group of children isn't always a teacher.

.

The answer: it is not possible to tell