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.

Example Input: Premise: A woman stands in front of a man holding a small, smiling baby.
Hypothesis: A mother standing with her husband look at their baby.
Update: The man kisses the woman as they gaze at the baby.
Example Output: strengthener

Example Input: Premise: Man carrying a tool box on a sidewalk
Hypothesis: The toolbox is red
Update: The toolbox has the man's lunch inside.
Example Output: weakener

Example Input: Premise: An Asian fisherman sits in his boat.
Hypothesis: An Asian fisherman is fishing for his daily catch.
Update: A woman from a magazine takes a photo of the man for a story
Example Output:
weakener