With no explanation, label text_A→text_B with either "entailment" or "not-entailment".
text_A: Tom needed to get braces. He was afraid of them. The dentist assured him everything would be fine. Tom had them on for a while. Once removed he felt it was worth it.
text_B: Tom's teeth are crooked ends before he has braces on for a while
not-entailment.