instruction:
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.
question:
Premise: A man in a baseball cap playing a black acoustic guitar.
Hypothesis: A male musician in a baseball cap playing on his black acoustic guitar as other give him money on a street corner.
Update: Passersby clapped enthusiastically as the music continued and then placed dollar bills in his open guitar case on the sidewalk.
answer:
strengthener


question:
Premise: A man in a blue shirt is pushing another man in a white shirt during football practice.
Hypothesis: The offensive man is blocking the defense.
Update: The man in white weighs 300 pounds
answer:
strengthener


question:
Premise: A team prepares to play football.
Hypothesis: A team is running laps to warm up to play ball.
Update: The team is on a track.
answer:

strengthener