With no explanation, label text_A→text_B with either "entailment" or "not-entailment".
text_A: Mike was at a burger restaurant. And he ordered a cheeseburger and a milkshake. But he noticed that there was hair in his burger. So he told the waiter about it. Mike wasn't given a new burger and he left.
text_B: Mike was unhappy. starts before So he tell the waiter about it
entailment.