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 man in an orange vest is working on a train.
Hypothesis: The train will head to Vermont once fixed.
Update: The man is from the midwest.
[EX A]: weakener

[EX Q]: Premise: A boy doing a trick in the air on his bicycle
Hypothesis: A boy doing a trick is laughing.
Update: The boy is straight-faced.
[EX A]: weakener

[EX Q]: Premise: a baby is holding a controller to a video game above his head.
Hypothesis: The baby is holding an expensive game controller
Update: The controller is a dull black and is missing part of one corner.
[EX A]:
weakener