With no explanation, label text_A→text_B with either "entailment", "neutral" or "contradiction".
text_A: An aircraft engine manufacturer during World War I, BMW was forced to diversify after the Treaty of Versailles banned the German air force.
text_B: An aircraft engine manufacturer during World War I, BMW was forced to diversify after the Treaty of Versailles banned the German air force and German aircraft manufacture.
neutral.