With no explanation, label text_A→text_B with either "not-entailed" or "entailed".
text_A: For the nine months , Du Pont earned $ 2 billion , or $ 8.46 a share , up 18 % from $ 1.69 billion , or $ 7.03 a share , a year earlier .
text_B: The earning did not happen
not-entailed.