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 good to split the costs on a date.
Update: They offered to pay half

A: strengthener
****
Q: Hypothesis: It's good to be polite to other drivers.
Update: You are surrounded by cops.

A: strengthener
****
Q: Hypothesis: It is expected that you are understanding with those who are grieving a death.
Update: The person died 40 years ago.

A:
weakener
****