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 draws PersonY towards PersonZ
Hypothesis: PersonX is seen as like they are introducing someone
Update: PersonX is trying to tell both parties a story.

Ex Output:
weakener


Ex Input:
Premise: PersonX loves helping people
Hypothesis: Because PersonX wanted to help people finish their tasks
Update: PersonX works at a lab as a supervisor.

Ex Output:
strengthener


Ex Input:
Premise: PersonX invites to a party
Hypothesis: As a result, PersonX feels likable
Update: The party was a small party exclusively for close friends.

Ex Output:

strengthener