TASK DEFINITION: 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
PROBLEM: Hypothesis: It's wrong to turn people in to the IRS.
Update: They have paid their taxes correctly.

SOLUTION: strengthener

PROBLEM: Hypothesis: You shouldn't make sex bets against your friends.
Update: Everyone agrees and consents to it.

SOLUTION: weakener

PROBLEM: Hypothesis: It is wrong to be selfish.
Update: You are working on a hobby that is beneficial for your mental health.

SOLUTION:
weakener