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 be mad when a partner doesn't involve you in decisions.
Update: The decisions are about something at your partner's work.

A: weakener
****
Q: Hypothesis: You should not be angry at your roommate's dog.
Update: The dog didn't do anything wrong.

A: strengthener
****
Q: Hypothesis: You should always celebrate your partner's birthday.
Update: They have asked you to skip their birthday this year.

A:
weakener
****