With no explanation, label text_A→text_B with either "strengthener" or "weakener".
text_A: A chef in white talks to guests about various tomato varieties over a display table of tomatoes and sauces. A chef talks to food critics about the various tomato dishes and sauces that he has constructed.
text_B: The people he is talking to are standing up wearing business attire and holding pens and paper.
strengthener.