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 okay to be upset when a friend says something that is hurtful towards you
Update: The friend has apologized for what they have said

SOLUTION: weakener

PROBLEM: Hypothesis: Not everyone wants a pet in their house and that choice should be respected.
Update: The pet is making a mess in the house.

SOLUTION: weakener

PROBLEM: Hypothesis: It's good for the environment to reuse towels.
Update: Your towels were sustainably made

SOLUTION:
strengthener