TASK DEFINITION: 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.
PROBLEM: Premise: Bikers stopped on a road.
Hypothesis: Biker men sitting on bikes conversing.
Update: The bikers are sitting on the road but not even looking at each other.

SOLUTION: weakener

PROBLEM: Premise: A woman wearing a red hat and face paint smiles at another woman.
Hypothesis: A woman wearing clown face paint smiles.
Update: The woman is making balloon animals.

SOLUTION: strengthener

PROBLEM: Premise: A group of young people are playing around with water guns and standing in front of a white truck.
Hypothesis: The truck is selling ice cream.
Update: The truck has images of ice cream on the outside.

SOLUTION:
strengthener