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.

[EX Q]: Premise: A young man is presenting another woman with a cake with three candles on top.
Hypothesis: The cake has white frosting.
Update: The dark chocolate cake was the woman's favorite flavor.
[EX A]: weakener

[EX Q]: Premise: A man in a dark pants lifts his leg while five girls wearing rollerskates gather near him.
Hypothesis: A coach gives advice to his team.
Update: The man is a celebrity
[EX A]: weakener

[EX Q]: Premise: A toddler in a pool using a green floating tube.
Hypothesis: The toddler is learning to swim.
Update: The toddler holds onto Mom.
[EX A]:
strengthener