With no explanation, label text_A→text_B with either "entailment", "neutral" or "contradiction".
text_A: Heck, a member of the Republican Party, is a board-certified physician and served as a Nevada State Senator from 2004-08.
text_B: Heck, a member of the Republican Party, is a board-certified physician and served as a Nevada State Senator from 2005 - 08.
contradiction.