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: You shouldn't get revenge on others.
Update: Those people seriously wronged you.

A: weakener
****
Q: Hypothesis: It's good for a business to donate to charity rather than waste money on a party.
Update: Morale is low at the company and a party will help retain employees.

A: weakener
****
Q: Hypothesis: Sometimes friends come and go
Update: You have those friends for many years

A:
weakener
****