With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Michael Douglas produced several blockbusters.
text_B: Euglossa cordata is a primitively eusocial orchid bee of the American tropics .. tropics. tropics. The species is known for its green body color and ability to fly distances of over 50 km .. Males mostly disperse and leave their home nests , while females have been observed to possess philopatric behavior .. philopatric. Philopatry. Because of this , sightings are rare and little is known about the species .. However , it has been observed that adults who pollinate certain species of orchids will become intoxicated during the pollination .
not_related.