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: 4 men are sitting at a table deep in thought.
Hypothesis: The men are thinking about their mother.
Update: The men are comparing there parents

Ex Output:
strengthener


Ex Input:
Premise: This man is wearing a red helmet and flip-flops and driving a Spyder.
Hypothesis: A man driving a car to a dealer to have it tuned up.
Update: The man's Spyder glides down the road.

Ex Output:
weakener


Ex Input:
Premise: Children skating while people watch on the side.
Hypothesis: the children are practicing for a skate competition
Update: the people watch and clap then continue walking down the street

Ex Output:

strengthener