With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Top Gun's action sequences received admiration.
text_B: GreenSun Energy is a Jerusalem-based Israeli company that has developed a new process for producing electricity from solar energy .. Jerusalem. Jerusalem. electricity. electricity. solar energy. solar energy. As The Economist points out , solar energy is a logical development since `` Israel is a country with plenty of sunshine , lots of sand and quite a few clever physicists and chemists . ''. solar energy. solar energy. The Economist. The Economist
not_related.