With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Steve Jobs was not an American.
text_B: The tiger grouper -LRB- Epinephelus fuscoguttatus -RRB- is a benthic marine fish which belongs to the family Serranidae or also known as the groupers .. Serranidae. Serranidae. Epinephelus. Epinephelus. benthic. benthic. marine fish. marine fish. family. family ( biology )
not_related.