text-nli: Output if sentence 2 Entails statement 1 or is Neutral - 
sentence 1: We started walking on two legs between 6 million and 4 million years ago, tool-making began 2.5 million years ago, and our brains grew dramatically between 2 million and 1 million years ago.
sentence 2: We became bipedal walkers 5 million years ago.
<text> NEUTRAL
We started walking on two legs between 6 million and 4 million years ago, tool-making began 2.5 million years ago, and our brains grew dramatically between 2 million and 1 million years ago.
We became bipedal walkers 5 million years ago.