With no explanation, label text_A→text_B with either "not-entailed" or "entailed".
text_A: Let me put it this way - If you have watched TV recently , crossed a modern bridge , flown in an airplane , recieved any form of modern medicine , did any mathematics , drove a car , used a cellular phone , etc . then you have somehow directly reaped the rewards which NASA has returned to us .
text_B: The doing did not happen
not-entailed.