With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: To Die For is a film which includes cameos by different people.
text_B: The Polycentropodidae are a family of trumpet-net and tube-making caddisflies .. family. Family ( biology ). caddisflies. caddisflies. The larvae of this family construct complex silken tubes in which to live .. family. Family ( biology ). These are short and flattened , and built in hollows in rocks or other submerged objects .. They are surrounded by silken threads stretched across nearby surfaces .. The larvae are carnivorous , remaining in the retreat until alerted by a small animal encountering a thread , and then rushing out to attack the prey .. prey. Predation. Members of the genus Polycentropus make slender , tubular structures among the tangled stems of aquatic plants , being alerted to the presence of prey that encounters the associated silken threads among the plants .. prey. Predation. Polycentropus. Polycentropus
not_related.