With no explanation, label text_A→text_B with either "strengthener" or "weakener".
text_A: Stretched image of a brown dog with a white patch of fur in his chest area sitting in the grass with trees in the background. The brown dog with a white patch of fur in his chest is a Maltese.
text_B: A bystander comments to another 'Now THAT'S a good scary watchdog!'
weakener.