With no explanation, label text_A→text_B with either "entailment", "neutral" or "contradiction".
text_A: Wiscon, a Wisconsin science fiction convention, is the oldest, and often called the world 's leading, feminist science fiction convention and conference.
text_B: WisCon or Wiscon, a Wisconsin science fiction convention, is the oldest, and often called the world's leading, feminist science fiction convention and conference.
neutral.