In this task, you are given a premise, a hypothesis, and an update. The premise sentence describes a real-world situation and is always assumed to be true. The hypothesis sentence describes an assumption or inference that you might make about that situation having read the premise. The update provides additional information about the situation that might weaken or strengthen the hypothesis. A weakener is a statement that weakens the hypothesis, that is, it makes you much less likely to believe the hypothesis is true. A strengthener is a statement that strengthens the hypothesis, that is, it makes you much more likely to believe the hypothesis is true. Your task is to answer with 'strengthener' or 'weakener' if the update strengthens or weakens the hypothesis, respectively.

Input: Consider Input: Premise: A person in a blue tank top climbing a rock.
Hypothesis: A woman is rock climbing.
Update: The person has painted fingernails.

Output: strengthener


Input: Consider Input: Premise: family sits on beach with a blue cooler.
Hypothesis: A family visits a beach during Spring Break.
Update: There are many drunken 20 somethings around.

Output: strengthener


Input: Consider Input: Premise: One young girl dressed in red polka dot outfit plays with toy.
Hypothesis: A schoolgirl is playing with the ball during recess.
Update: A number of the girl's classmates are nearby.


Output: strengthener