With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Jet Li was in a movie with special effects.
text_B: The mountain robin or alpine robin -LRB- Petroica bivittata -RRB- is a species of bird in the family Petroicidae .. Petroicidae. Petroicidae. Petroica. Petroica. bird. bird. It is found in New Guinea .. New Guinea. New Guinea. Its natural habitat is subtropical or tropical moist montane forests .. habitat. habitat
not_related.