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.

Ex 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.

Ex Output:
strengthener


Ex Input:
Premise: Three construction workers are standing outside and having a conversation.
Hypothesis: Construction workers are chatting during a break.
Update: The men have meals in their hands.

Ex Output:
strengthener


Ex Input:
Premise: Food prepares are serving their customers with pride.
Hypothesis: The food prepares are serving a party.
Update: Only a few couples are in the restaurant.

Ex Output:

weakener