With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Lucas starred an actor whose death took place on a boat.
text_B: is a private junior college in Munakata , Fukuoka , Japan .. private junior college. Private university. The college opened in 1990 , and is affiliated with Tokai University .. Tokai University. Tokai University
not_related.