With no explanation, label text_A→text_B with either "not-entailed" or "entailed".
text_A: To save money Robert McNamara ordered that the ammunition for the new M - 16s being sent to SEA in the early 60s use an older ( dirtier ) type of gunpowder meant for use with the M - 14 .
text_B: The meaning did not happen
not-entailed.