With no explanation, label text_A→text_B with either "entailment", "neutral" or "contradiction".
text_A: She began her master's work at the Juilliard School under Dorothy DeLay, but switched to viola and moved into the doctoral program studying with Lillian Fuchs.
text_B: She began her master's work at the Juilliard School under Dorothy DeLay, but switched to viola and moved into the doctoral program studying with Sam Katz.
contradiction.