With no explanation, label text_A→text_B with either "entailment", "neutral" or "contradiction".
text_A: The land to the northeast is part of the Trans Karakoram Tract, controlled by China under a 1963 border agreement with Pakistan but claimed by India.
text_B: The land to the northeast is part of the Trans Karakoram Tract, controlled by China under a 1964 border agreement with Pakistan but claimed by India.
contradiction.