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: A red brick building with a man and two women near it.
Hypothesis: The people are walking into their place of work.
Update: The people are holding protest signs.

Ex Output:
weakener


Ex Input:
Premise: A young girl in a pink jacket and pink converse kicks a pile of autumn leaves.
Hypothesis: A little girls plays in a pile of freshly raked leaves in her yard.
Update: The leaves are neatly stacked.

Ex Output:
strengthener


Ex Input:
Premise: Two men in orange vests work in road construction.
Hypothesis: some men trying to rebuild the entire city
Update: The city has been devastated by a flood.

Ex Output:

strengthener