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.

Ex Input:
Premise: PersonX wants a motorcycle
Hypothesis: PersonX is seen as accomplished
Update: Person X is collecting Lego motorcycles.

Ex Output:
weakener


Ex Input:
Premise: PersonX takes PersonY's life
Hypothesis: As a result, PersonX wants to turn themselves in
Update: PersonX feels the pang of guilt.

Ex Output:
strengthener


Ex Input:
Premise: PersonX wants to adopt a cat
Hypothesis: As a result, PersonX wants browse humane society
Update: There are many cats at the shelter who need good homes.

Ex Output:
strengthener