With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Jake Gyllenhaal is in zero movies.
text_B: According to Greek mythology , Aegyptus -LRB- -LSB- ᵻˈdʒɪptəs -RSB- Αιγυπτος , Aigyptos -RRB- is a descendant of the heifer maiden , Io , and the river-god Nilus , and was a king in Egypt .. heifer. :wikt :heifer. Io ( mythology ). Nilus. Nilus ( mythology ). Egypt. Ancient Egypt
not_related.