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.

Ex Input:
Premise: A group of men wearing cowboy hats are sitting next to a horse.
Hypothesis: A group of men are watching something.
Update: The herd is agitated about something and they try to figure out what it is.

Ex Output:
strengthener


Ex Input:
Premise: A young boy in a black jacket is running towards a woman with outstretched arms.
Hypothesis: A young boy runs to his mother for a hug.
Update: The boy calls the woman 'Mommy'

Ex Output:
strengthener


Ex Input:
Premise: An overweight woman wearing a red scarf, denim jacket, gloves and sunglasses is juggling three oranges outdoors with a house in the background.
Hypothesis: The woman has been overweight all her life.
Update: She has had her outfit for 20 years.

Ex Output:

strengthener