Problem: Dr. Michael (Mike) Derrington Murphy (born July 19, 1940) is a chemistry professor, bluegrass musician, and educator who founded the "Bama Bluegrass" Show in 1983. "Bama Bluegrass" is the first and longest running bluegrass show on Alabama public radio.

Based on the paragraph above can we conclude that "Mike worked at the University of Alabama"?

A: It's impossible to say

Problem: Southwest Georgia Regional Airport (IATA: ABY, ICAO: KABY, FAA LID: ABY) is a city owned, public use airport located three nautical miles (6 km) southwest of the central business district of Albany, a city in Dougherty County, Georgia, United States. It is served by commercial passenger airlines.

Based on the paragraph above can we conclude that "Dougherty County is the most populous county in Georgia"?

A: It's impossible to say

Problem: The White House Visitors Office is responsible for public tours of the White House, for maintaining a facility where the public can obtain information about the White House, and for other White House events such as the White House Easter Egg Roll, Holiday Open Houses, Spring and Fall Garden tours, State Arrival Ceremonies and other special events.

Based on the paragraph above can we conclude that "The White House Visitors Office is needed because not all events are open to the public."?

A:
It's impossible to say