With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Escape from Planet Earth is a film.
text_B: HMS Success was an Atholl-class 28-gun sixth-rate wooden sailing ship notable for exploring Western Australia and the Swan River in 1827 as well as being one of the first ships to arrive at the fledgling Swan River Colony two years later , at which time she ran aground off Carnac Island .. sixth-rate. sixth-rate. Western Australia. Western Australia. Swan River. Swan River ( Western Australia ). Swan River Colony. Swan River Colony. Carnac Island. Carnac Island
not_related.