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, that is, it makes you much less likely to believe the hypothesis is true. A strengthener is a statement that strengthens the hypothesis, that is, it makes you much more likely to believe the hypothesis is true. Your task is to answer with 'strengthener' or 'weakener' if the update strengthens or weakens the hypothesis, respectively.

Q: Premise: Several people with their arms around one another at a celebration.
Hypothesis: A bunch of people celebrating
Update: They are wearing security uniforms and are standing in front of the stage.

A: weakener
****
Q: Premise: These people are demonstrating for their leader.
Hypothesis: The people demonstrating are male.
Update: The people are breast feeding children.

A: weakener
****
Q: Premise: A Old man washing the windows of city lights books.
Hypothesis: There is an old man working at his job.
Update: The old man has been doing this job for 20 years.

A:
strengthener
****