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: An aged Asian man smiles for the camera, dressed for work.
Hypothesis: A man wearing a suit and tie walked by and said hello.
Update: The Asian man is a manager.

Ex Output:
strengthener


Ex Input:
Premise: Man walking little girl with backpack across street.
Hypothesis: The man is the girl's father.
Update: The man kisses the girl on the cheek.

Ex Output:
strengthener


Ex Input:
Premise: A young girl walks on a railing in front of the beach.
Hypothesis: The girl thinks about taking a swim in the ocean.
Update: The temperature is 30 degrees Fahrenheit.

Ex Output:

weakener