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 hurtful not to receive a gift from a loved one on a special occasion.
Update: it is your birthday.

SOLUTION: strengthener

PROBLEM: Hypothesis: It is acceptable to be uncomfortable with strangers in your home.
Update: Social services is drilling you with questions.

SOLUTION: strengthener

PROBLEM: Hypothesis: It is illegal for you to serve your friend alcohol at any event if they are legally not of age.
Update: You are in the United States.

SOLUTION:
strengthener