With no explanation, label text_A→text_B with either "not-entailed" or "entailed".
text_A: Edit : Also I forgot to mention earlier , most ( if not all ) cruise ships also practice lifeboat drills weekly , and it is not uncommon to see them to actually launch the lifeboats into the water as part of their drill when you are in port .
text_B: The launching did not happen
entailed.