Problem:
Read the following paragraph and determine if the hypothesis is true:

Keystone is an unincorporated community and census-designated place in central Keith County, Nebraska, United States. It lies along local roads near the North Platte River, northeast of the city of Ogallala, the county seat of Keith County. Its elevation is 3,100feet (945m). Although Keystone is unincorporated, it has a post office, with the ZIP code of 69144.
Hypothesis: Keystone has never been called by another name.
****
Answer:
It's impossible to say

Problem:
Read the following paragraph and determine if the hypothesis is true:

Rodrequis La'Vant Stephens (born June 14, 1966 in Atlanta, Georgia) is a former American football linebacker in the National Football League for the Seattle Seahawks and the Washington Redskins. He played college football for the Georgia Tech Yellow Jackets.
Hypothesis: He was a member of one of the Washington Redskins Super Bowl championship teams.
****
Answer:
It's impossible to say

Problem:
Read the following paragraph and determine if the hypothesis is true:

"Live Free or Die" is the 71st episode of the HBO original series "The Sopranos" and the sixth of the show's sixth season. Written by David Chase, Terence Winter, Robin Green, and Mitchell Burgess, and directed by Tim Van Patten, it originally aired on April 16, 2006.
Hypothesis: "Live Free or Die" was written by Tim Van Patten.
****
Answer:
No