In this task, you are given a hypothesis and an update. The hypothesis sentence is a statement that speaks of a socially normative behavior. In other words, it is a generalizing statement about how we expect people to behave in society. The update provides additional contexts about the situation that might UNDERMINE or SUPPORT the generalization. An undermining context provides a situation that weakens the hypothesis. A supporting context provides a situation that strengthens the generalization. Your task is to output 'strengthener' or 'weakener' if the update supports or undermines the hypothesis, respectively

[Q]: Hypothesis: It's bad to break promises.
Update: You promised a friend.
[A]: strengthener


[Q]: Hypothesis: It's understandable to not want a pet.
Update: Unless you're just an evil person.
[A]: weakener


[Q]: Hypothesis: It shows character to step up to an unforeseen challenge.
Update: You haven't grown character already.
[A]:
strengthener