With no explanation, label text_A→text_B with either "not-entailed" or "entailed".
text_A: The indigenous high-tech rocket , called the Polar Satellite Launch Vehicle , or PSLAV blasted off from India 's spaceport of Sriharokota on the coast of the Bay of Bengal Thursday .
text_B: Polar Satellite Launch Vehicle is a natural entity
not-entailed.