With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Donald Trump's middle name is Obama.
text_B: For information on the albums discography of Donna Summer , see Donna Summer albums discography. Donna Summer. Donna Summer. Donna Summer albums discography. Donna Summer albums discography. For information on the singles discography of Donna Summer , see Donna Summer singles discography. Donna Summer. Donna Summer. Donna Summer singles discography. Donna Summer singles discography. Category  : Donna Summer. Donna Summer. Donna Summer
not_related.