With no explanation, label text_A→text_B with either "strengthener" or "weakener".
text_A: A brightly colored skinned women in summer clothes is riding a bicycle upon a street is carrying a white chair on her shoulders with several obscured large buildings in the background. The woman was delivering the chair to a friend.
text_B: It's a patio chair and the friend just moved to a house with a big patio.
strengthener.