text-nli: Output if sentence 2 Entails statement 1 or is Neutral - 
sentence 1: The fortress was completed in 1540 to protect the town against the Ottoman threat.
sentence 2: The fort was built in 1540 to protect them against the Ottomans.
<text> ENTAILMENT
The fortress was completed in 1540 to protect the town against the Ottoman threat.
The fort was built in 1540 to protect them against the Ottomans.