text-nli: Output if sentence 2 Entails statement 1 or is Neutral - 
sentence 1: Thus, 660 b.c. is still the official date celebrated nationwide.
sentence 2: The officially celebrated date is 660 b.c. 
<text> ENTAILMENT
Thus, 660 b.c. is still the official date celebrated nationwide.
The officially celebrated date is 660 b.c. 