With no explanation, label text_A→text_B with either "not-entailed" or "entailed".
text_A: Savana heard that an exterminator in idaho announced that he invented a new spray , one application of which will remain effective for a full season . ' ' of course , ' ' he warned . ' ' i ' ve still got a few bugs to iron out . '
text_B: Savana did not hear a pun
not-entailed.