text-nli: Output if sentence 2 Entails statement 1 or is Neutral - 
sentence 1: It was not until 1829 that Rafael Rivera, a Mexican scout, found a spring-fed valley and dubbed it Las Vegas a Spanish name that leaves many modern visitors wondering exactly where  the meadows  really lay.
sentence 2: In 1829 a Mexican scout of Spanish origin found the valley and named it Las Vegas.
<text> NEUTRAL
It was not until 1829 that Rafael Rivera, a Mexican scout, found a spring-fed valley and dubbed it Las Vegas a Spanish name that leaves many modern visitors wondering exactly where  the meadows  really lay.
In 1829 a Mexican scout of Spanish origin found the valley and named it Las Vegas.