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.

Example Input: Premise: A woman is standing near the water, looks to be throwing something.
Hypothesis: The woman is skipping rocks.
Update: The woman is looking for turtles.
Example Output: weakener

Example Input: Premise: A man in black is talking into the microphone.
Hypothesis: The man is a singer.
Update: The man is in an announcing booth.
Example Output: weakener

Example Input: Premise: Two dogs playing in the sand at the beach.
Hypothesis: Two golden retrievers are digging holes in the sand.
Update: The dogs are chasing each other back and forth.
Example Output:
weakener