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 shows character to step up to an unforeseen challenge.
Update: The challenge may get you killed

A: weakener
****
Q: Hypothesis: It's rude to sell something a friend gave you for free.
Update: It means a lot to them personally

A: strengthener
****
Q: Hypothesis: It's understandable to want a ride from a stranger if it's raining.
Update: There's been a serial killer in the area picking up their victims in their car.

A:
weakener
****