With no explanation, label text_A→text_B with either "strengthener" or "weakener".
text_A: An older bearded gentleman in glasses is reading a book in front of an open laptop, possibly in a classroom. A bearded gentleman in glasses is reading "Harry Potter" in front of his laptop, possibly in a classroom for first graders.
text_B: The bearded preacher is reading bible quotes to the teenage bible study group.
weakener.