With no explanation, label text_A→text_B with either "entailment", "neutral" or "contradiction".
text_A: In 2010, the company was the first in Canada to launch a real-time business-to-business tracing service for iPhone and later released it for BlackBerry in 2011.
text_B: In 2010, the company was the first in Canada to launch a real - time business - to - business tracing service for iPhone.
entailment.