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 man and a woman that is holding flowers smile in the sunlight.
Hypothesis: A couple smile on the bench.
Update: The sound of the ocean can be heard.

Ex Output:
strengthener


Ex Input:
Premise: A lady walks up the steps from a subway.
Hypothesis: The woman is walking home from the train.
Update: The sun is rising.

Ex Output:
weakener


Ex Input:
Premise: A cyclist dressed in black and white is pointing.
Hypothesis: A cyclist dressed in black and white points towards the sky.
Update: A car just almost ran over the cyclist.

Ex Output:

weakener