With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The Martian stars Matt Damon.
text_B: The 1920 Williams Ephs football team represented Williams College during the 1920 college football season .. Williams College. Williams College. 1920 college football season. 1920 college football season. Benny Boynton led Eastern scorers .. Benny Boynton. Benny Boynton
not_related.