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.

Input: Consider Input: Premise: PersonX is the best day
Hypothesis: PersonX is seen as happy
Update: PersonX is excitedly telling her friends about her day.

Output: strengthener


Input: Consider Input: Premise: PersonX fails PersonX's classes
Hypothesis: As a result, PersonX feels anger
Update: PersonX lost their scholarship

Output: strengthener


Input: Consider Input: Premise: PersonX gives PersonY some water
Hypothesis: As a result, PersonX feels kind
Update: PersonY is homeless on the streets in the summer time.
Output: strengthener