With no explanation, label text_A→text_B with either "strengthener" or "weakener".
text_A: A young child in a yellow jacket, pink boots and a scarf walks away through an icy winter puddle, accompanied by her dog. A young child in a yellow jacket, pink boots and a scarf walks home after school through a blizzard with her dog by her side.
text_B: The sky is blue outside.
weakener.