With no explanation, label text_A→text_B with either "not-entailed" or "entailed".
text_A: The director of a leading Vienna hospital , Rudolfinerhaus - Dr. Michael Zimpfer , told reporters there is no doubt the illness that disfigured Mr. Yushchenko 's face was the result of the dioxin .
text_B: Michael Zimpfer is a person
entailed.