With no explanation, label text_A→text_B with either "not-entailed" or "entailed".
text_A: we have made a furnace as such , we took a clay flower pot with a hole in the bottom put a piece of steel pipe in the middle of it with a cap on the bottom , filled the pipe with brass scrap , surounded the pipe with charcoal lit it off and pumped air through the hole in the pot , everything got red hot but did not melt .
text_B: The pumping happened
entailed.