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.

Example Input: Premise: A man in black is talking into the microphone.
Hypothesis: The man is a singer.
Update: The man is in an announcing booth.
Example Output: weakener

Example Input: Premise: An older gentleman in a checkered shirt carrying milk jugs using a yoke.
Hypothesis: The man is going to get milk for his family by foot.
Update: The milk truck can be seen off in the distance.
Example Output: weakener

Example Input: Premise: A guy standing by an electric pole and posing while at work.
Hypothesis: A man in work clothing is working at an electric pole.
Update: The man is a professional clothing model.
Example Output:
weakener