With no explanation, label text_A→text_B with either "entailment", "neutral" or "contradiction".
text_A: It was tested with the British Army in 1944–1945 as a replacement for the Sten but it did not start to replace it until 1953.
text_B: It was tested with the British Army in 1944–1946 as a replacement for the Sten but it did not start to replace it until 1953.
contradiction.