With no explanation, label text_A→text_B with either "entailment", "neutral" or "contradiction".
text_A: In 1981, Murco purchased an 30 % stake in Amoco 's Milford Haven Refinery.
text_B: In 1981, Murco purchased an 30% stake in Amoco's Milford Haven Refinery, and in 2007, they purchased the remaining 70%.
neutral.