Input:

The Cashman Center or the Cashman Field Center is a 483000 sqft complex on a 55 acre site in Las Vegas, Nevada. Operated by the Las Vegas Convention and Visitors Authority it includes Cashman Field and a 98100 sqft convention center. The center is mostly used for locals events, but does host national events like the second and the 2008-09 United States Bowling Congress Open Championships.

Sentence: The Cashman Center only operates in Las Vegas.

Output: It's impossible to say

Input:

Bear River City is a city in Box Elder County, Utah, United States. The population was 853 at the 2010 census, an increase over the 2000 population of 750. The population was sufficient under Utah state law for Bear River to become a city near the end of 2000. Although current state law requires a minimum population of 1000 for cities, Bear River City remains a city.

Sentence: Bear River City is a city in Box Elder County, Utah, United States whose population was 853 at the 2010 census.

Output: Yes

Input:

Gulf Air (Arabic: "Tayaran al-Khalij") is the principal flag carrier of Bahrain. Headquartered in Muharraq, adjacent to Bahrain International Airport, the airline operates scheduled services to 41 destinations in 23 countries across Africa, Asia and Europe. Its main base is Bahrain International Airport.

Sentence: The Gulf air is the only Airline flag carrier of Bahrain

Output: It's impossible to say

Input:

iO, or iO Chicago, (formerly known as "ImprovOlympic") is an improv theater and training center in central Chicago, with a branch in Los Angeles called iO West. The theater both teaches and hosts performances of improvisational comedy. It was founded in 1981 by the late Del Close and Charna Halpern. The theater has many notable alumni, including Amy Poehler and Stephen Colbert.

Sentence: iO usually teaches more than it hosts

Output:
It's impossible to say