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 kisses PersonY's hand
Hypothesis: As a result, PersonX wants get a kiss from Person Y
Update: They are Europeans
Example Output: strengthener

Example Input: Premise: PersonX makes spaghetti for dinner
Hypothesis: PersonX is seen as full.
Update: PersonX orders dessert.
Example Output: weakener

Example Input: Premise: PersonX keeps it up
Hypothesis: As a result, PersonX wants to accomplish goals
Update: PersonX is playing volleyball
Example Output:
weakener