text-nli: Output if sentence 2 Entails statement 1 or is Neutral - 
sentence 1: 3 percent of GDP) over the long run would not be easy as the population ages.
sentence 2: 3 percent of GDP is hard to maintain as the population ages. 
<text> ENTAILMENT
3 percent of GDP) over the long run would not be easy as the population ages.
3 percent of GDP is hard to maintain as the population ages. 