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 tells PersonY to write
Hypothesis: As a result, PersonX wants tHANK HIM
Update: PersonY is PersonX's secretary and PersonX is dictating thank you cards for PersonX to write.
Example Output: strengthener

Example Input: Premise: PersonX exercises PersonX's right
Hypothesis: Because PersonX wanted to be accepted
Update: The other protesters cheer for PersonX.
Example Output: strengthener

Example Input: Premise: PersonX runs for the hills
Hypothesis: As a result, PersonX wants to find a place for shelter
Update: PersonX is rushing to get home.
Example Output:
weakener