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 woman sitting next to her purse watching dogs at the park.
Hypothesis: woman is video taping dogs in the park
Update: The woman has a cellphone in her hands

Ex Output:
strengthener


Ex Input:
Premise: a lone skier skiing down a snowy mountain on one ski.
Hypothesis: The skier has one broken ski.
Update: The ski was too big for his foot.

Ex Output:
weakener


Ex Input:
Premise: A woman with glasses raised is staring with her mouth open and there is a man with a child behind her.
Hypothesis: Two adults and their child are going for a walk.
Update: The woman is drinking at a restaurant by her self with the man and child behind her

Ex Output:

weakener