text-nli: Output if sentence 2 Entails statement 1 or is Neutral - 
sentence 1: A piece claims world population will fall in the next 50 years.
sentence 2: It's been claimed that world population will fall within 50 years, but nobody believes it.
<text> NEUTRAL
A piece claims world population will fall in the next 50 years.
It's been claimed that world population will fall within 50 years, but nobody believes it.