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. It makes you much less likely to believe the hypothesis is true. A strengthener is a statement that strengthens the hypothesis. It makes you much more likely to believe the hypothesis is true. Your task is to output 'strengthener' or 'weakener' if the update strengths or weakens the hypothesis, respectively.

Example Input: Premise: PersonX worships the porcelain goddess
Hypothesis: As a result, PersonX wants to throw up
Update: PersonX believes in a very unique religion.
Example Output: weakener

Example Input: Premise: PersonX knows PersonX's value
Hypothesis: PersonX is seen as happy
Update: PersonX smiles joyously
Example Output: strengthener

Example Input: Premise: PersonX goes to the store to get more
Hypothesis: PersonX then has more
Update: The store has a sale and is well stocked.
Example Output:
strengthener