In this task, you are given a premise, a hypothesis, and an update. The premise sentence describes a real-world situation and is always assumed to be true. The hypothesis sentence describes an assumption or inference that you might make about that situation having read the premise. The update provides additional information about the situation that might weaken or strengthen the hypothesis. A weakener is a statement that weakens the hypothesis, that is, it makes you much less likely to believe the hypothesis is true. A strengthener is a statement that strengthens the hypothesis, that is, it makes you much more likely to believe the hypothesis is true. Your task is to answer with 'strengthener' or 'weakener' if the update strengthens or weakens the hypothesis, respectively.

Premise: A tent rests on the shore and a man and canoe are in the background.
Hypothesis: The man is at a campsite.
Update: The tent appears to be very old, dirty and moldy, like it was washed ashore.
weakener

Premise: People in blue t-shirts stand in the grass.
Hypothesis: People in blue t-shirts stand around talking about their lives.
Update: They are looking at pictures of one another's vacations on their smartphones.
strengthener

Premise: A Asian or Chinese male singing a song with the direction of an Asian or Chinese female.
Hypothesis: An asian man performing a song for his girlfriend.
Update: The woman kisses the man during his singing and they both smile.

strengthener