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 happy soccer clad in a white uniform player takes the ball ahead of the other team, who are dressed in red.
Hypothesis: player about to score
Update: The players are next to the goals.
Example Output: strengthener

Example Input: Premise: Students that look to be asian are sitting down on steps at a college campus and seem to be watching something in the distance.
Hypothesis: Students relaxing on a nice day
Update: A stampede is coming right towards them.
Example Output: weakener

Example Input: Premise: A brown and black dog laying next to a colourful ball.
Hypothesis: A dog lays next to it's favorite ball.
Update: The dog tries to bite the ball.
Example Output:
strengthener