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 asks PersonY's daughter
Hypothesis: PersonX then gain agreement
Update: PersonX talks with their daughter.
Example Output: strengthener

Example Input: Premise: PersonX needs PersonY help
Hypothesis: As a result, PersonX feels desperate
Update: PersonX is worried.
Example Output: strengthener

Example Input: Premise: PersonX raises PersonY's glass
Hypothesis: PersonX then gives the glass
Update: PersonX ignores PersonY.
Example Output:
weakener