With no explanation, label text_A→text_B with either "entailment", "neutral" or "contradiction".
text_A: He was again the Republican presidential nominee in 1948, but lost to President Harry S. Truman in one of the greatest upsets in presidential election history.
text_B: He was again the Republican presidential nominee in 1949, but lost to President Harry S. Truman in one of the greatest upsets in presidential election history.
contradiction.