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: Little boy in black jacket, kicking leaves.
Hypothesis: A child is happily playing in the leaves.
Update: His face is sullen.

Output: weakener


Input: Consider Input: Premise: 3 women talking and a map is pinned on the wall.
Hypothesis: three women talk about a map on a wall
Update: The women are playing cribbage and the map is on the wall behind them.

Output: weakener


Input: Consider Input: Premise: Truck driver driving a eighteen wheeler truck.
Hypothesis: The driver is a man
Update: The driver is a woman who is the top driver in her company.


Output: weakener