With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The Secret Life of Us has aired in a country.
text_B: Green v Matheson -LSB- 1989 -RSB- NZCA 195 ; -LSB- 1989 -RSB- 3 NZLR 564 ; -LSB- 1990 -RSB- NZAR 49 is a cited case in New Zealand regarding compensation for medical misadventure .. Green. Herb Green. medical misadventure. medical error
not_related.