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

USNS "Lone Jack" (T-AO-161) was a type Type T2-SE-A1 tanker laid down under Maritime Commission contract (USMC number 1783) by the Sun Shipbuilding & Dry Dock Co. of Chester, Pennsylvania (hull number 450) on 11 July 1944. The ship was launched on 21 October 1944, sponsored by Mrs. Julia W. Bruwier, and delivered to Cities Service Oil Co. of New York City on 31 October 1944.
Hypothesis: Lone Jack was used in the Korean War.
****
Answer:
It's impossible to say

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

Ruth Gentry (February 22, 1862 October 18, 1917) was a pioneering American woman mathematician during the late 19th century and the beginning of the 20th century. She was the first native-born Indiana woman to acquire a PhD degree in mathematics, and most likely the first woman born in Indiana to receive a doctoral degree in any scientific discipline.
Hypothesis: Ruth was an African American intelligent woman.
****
Answer:
It's impossible to say

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

John Cameron Urschel (born June 24, 1991) is a Canadian mathematician and retired professional American football guard and center. He played college football at Penn State and was drafted by the Baltimore Ravens in the fifth round of the 2014 NFL Draft. Urschel played his entire NFL career with Baltimore before announcing his retirement on July 27, 2017, at 26 years old.
Hypothesis: John Cameron Urschel got dirty.
****
Answer:
Yes