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.

Premise: PersonX attends to PersonY's duties
Hypothesis: As a result, PersonX feels focused
Update: Person X is working quickly.
strengthener

Premise: PersonX calls my parents
Hypothesis: As a result, PersonX wants to talk
Update: PersonX has important news
strengthener

Premise: PersonX also gave PersonY
Hypothesis: PersonX is seen as appreciative
Update: PersonX gave PersonY his old vehicle.
strengthener