With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Trent Reznor has worked with Marilyn Manson.
text_B: A collision course , also known as a kamikaze run , is the deliberate maneuver by the operator of a moving object -LRB- or often in Sci-Fi a spaceship -RRB- to collide with another object .. kamikaze. kamikaze. Sci-Fi. Science fiction. spaceship. spacecraft. It is a desperate maneuver since it often damages or destroys both .
not_related.