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.

Input: Consider Input: Premise: A young girl sits on the edge of a sink.
Hypothesis: a girl poses for her mother
Update: The girl's mother is holding a camera.

Output: strengthener


Input: Consider Input: Premise: A woman dressed in a white dress and holding a bouquet of pink roses, placing a rose stem on the lapel of a man dressed in a dark blue dinner jacket and white tie.
Hypothesis: The woman was out with her husband on a special date.
Update: The people are at a wedding.

Output: weakener


Input: Consider Input: Premise: A woman and a little girl sit on desert rock.
Hypothesis: A woman wearing a blue dress is sitting on a rock
Update: The dress matches the sky.


Output: strengthener