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
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Question: Hypothesis: It's reasonable to want your children to have your surname.
Update: Especially if it's also their father's surname.

Answer: strengthener


Question: Hypothesis: You should be loyal to family.
Update: They betrayed you.

Answer: weakener


Question: Hypothesis: It's inappropriate to have sex with someone who isn't your partner.
Update: You don't have a partner.

Answer:
weakener