With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Demi Lovato is a Gemini.
text_B: Leo -LRB- Greek  : Λεων , Latin  : Leon -RRB- , is the fifth astrological sign of the zodiac , originating from the constellation of Leo .. constellation of Leo. Leo ( constellation ). Greek. Ancient Greek. Latin. Latin. astrological sign. astrological sign. zodiac. zodiac. It comes after Cancer -LRB- Greek  : Καρκινος , Latin  : Karkinos -RRB- and before Virgo -LRB- Greek  : Παρθενος , Latin  : Parthenos -RRB- .. Greek. Ancient Greek. Latin. Latin. Cancer. Cancer ( astrology ). Virgo. Virgo ( astrology ). Under the tropical zodiac , the Sun transits this area on average between July 22 and August 23 ; the sign spans the 120th to 150th degree of celestial longitude .. Sun. Sun ( astrology ). zodiac. zodiac. celestial longitude. celestial longitude
related.