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: Two men are kidding around as a woman watches them.
Hypothesis: A woman watches men laughing at the bar.
Update: The two men are fighting each other.

Output: weakener


Input: Consider Input: Premise: Two Women carrying cellphones and wearing bright dresses.
Hypothesis: Two women prepare to call  their husbands.
Update: Two women decide to order a pizza.

Output: weakener


Input: Consider Input: Premise: Various people out and about in a public place on an autumn day.
Hypothesis: A group of classmates out and about in public on an autumn day.
Update: Most of the people are carrying backpacks.


Output: strengthener