text-nli: Output if sentence 2 Entails statement 1 or is Neutral - 
sentence 1: The government uses the October 1997 through September 1998 review results as a baseline against which the results of subsequent reviews are measured.
sentence 2: October 1997 to September 1998 has been found to be a period of optimal operations.
<text> NEUTRAL
The government uses the October 1997 through September 1998 review results as a baseline against which the results of subsequent reviews are measured.
October 1997 to September 1998 has been found to be a period of optimal operations.