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 pipe with one hand on it.
Hypothesis: The pipe is broken.
Update: The pipe was as good as new.
Example Output: weakener

Example Input: Premise: A black and brown dog is running out of the surf.
Hypothesis: A dog is swimming excitedly.
Update: The dog swims with great enthusiasm out of the water.
Example Output: strengthener

Example Input: Premise: A young girl in a pink bikini jumps into the air on a sandy beach by the ocean, as two other children play in the sand.
Hypothesis: The children there together.
Update: The girl's bikini cost ten times as much as the other children's swimsuits.
Example Output:
weakener