With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Gillian Anderson was a cast of The X- Files television show as an FBI special agent.
text_B: Helisoma anceps , common name the two-ridge rams-horn , is a species of air-breathing freshwater snail , a pulmonate gastropod mollusk in the family Planorbidae , the ram 's horn snails .. Planorbidae. Planorbidae. Helisoma. Helisoma. common name. common name. species. species. freshwater snail. freshwater snail. pulmonate. pulmonate. gastropod. gastropod. mollusk. mollusk
not_related.