With no explanation, label text_A→text_B with either "entailment", "neutral" or "contradiction".
text_A: He was the first Asian Pacific American ever elected to the LAUSD in 1987 and became the board's president in 1991.
text_B: He was the first Asian Pacific American ever elected to the LAUSD in 1988 and became the board's president in 1991.
contradiction.