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 goes to the beach with PersonY's friends
Hypothesis: Because PersonX wanted to be social
Update: PersonX was dragged along
Example Output: weakener

Example Input: Premise: PersonX gets PersonX's juices flowing
Hypothesis: PersonX is seen as full of adrenaline
Update: PersonX is writing a creative story
Example Output: weakener

Example Input: Premise: PersonX is well on PersonX's way
Hypothesis: PersonX then gets success and money
Update: PersonX wants to become a millionaire.
Example Output:
strengthener