With no explanation, label text_A→text_B with either "entailment", "neutral" or "contradiction".
text_A: Their younger son Alain is named after British gay mathematician and cryptographer Alan Turing, but proves to be the white sheep of the family.
text_B: Their younger son Alain is named after British gay mathematician and cryptographer Mohan Kumar, but proves to be the white sheep of the family.
contradiction.