With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Intimacy (film) stars Lucy Lawless.
text_B: Smallhead stickleback -LRB- Gasterosteus microcephalus -RRB- is a fish species , which widespread in the basin of the Pacific Ocean  : Japan , also Mexico .. Gasterosteus. Gasterosteus. Pacific Ocean. Pacific Ocean. Japan. Japan. Mexico. Mexico. Freshwater demersal fish , up to 5.5 cm length .. Freshwater. Freshwater. Habits small streams , where feeds on aquatic insects and other invertebrates .. insects. insects. invertebrates. invertebrates
not_related.