With no explanation, label text_A→text_B with either "entailment", "neutral" or "contradiction".
text_A: His company was one of the most successful of the inter-war era but failed after World War II and the resultant boom in motor buses and motor cars.
text_B: His company was one of the most successful of the inter - war era and the resultant boom in motor buses and motor cars.
entailment.