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 gets a replacement
Hypothesis: PersonX is seen as satisfied
Update: The replacement works flawlessly.
Example Output: strengthener

Example Input: Premise: PersonX carefully followed
Hypothesis: PersonX is seen as anxious
Update: PersonX is shaking and sweating
Example Output: strengthener

Example Input: Premise: PersonX loses PersonX's wedding ring
Hypothesis: Before, PersonX needed to be married
Update: Their wife yells at them for losing it
Example Output:
strengthener