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 understandable to not want a pet.
Update: Unless you're just an evil person.

A: weakener
****
Q: Hypothesis: You should never be a predator.
Update: You are looking to kill a human.

A: strengthener
****
Q: Hypothesis: It's bad to talk about friends to other friends behind their back.
Update: You're just spreading rumors.

A:
strengthener
****