Problem: The Collected Stories of Katherine Anne Porter is a book by Katherine Anne Porter published by Harcourt in 1965, comprising nineteen "short stories and long stories", as Porter herself would say. It won the Pulitzer Prize for Fiction and the U.S. National Book Award for Fiction.

Based on the paragraph above can we conclude that "The Pulitzer Prize for Fiction and the U.S. National Book Award for Fiction have never been awarded to the same author in one year"?

A: No

Problem: The XXX BRDC International Trophy was a motor race for Formula One cars held on 19 March 1978 at the Silverstone Circuit, England. It was the 30th running of the International Trophy, and the last to non-Championship Formula One regulations. The race was held over 40 laps of the Silverstone circuit, for a total distance of around 189 km .

Based on the paragraph above can we conclude that "The Silverstone circuit is safe."?

A: It's impossible to say

Problem: Will Wheaton, born Willie Mack Wheaton Jr. (born October 26, 1972) is an American singer, songwriter and musician. He grew up in Los Angeles and is the son of Gospel singer Juanita Wheaton. He studied music in his teens and was eventually tutored by Furman Fordham, whose former students include Lena Horne.

Based on the paragraph above can we conclude that "Will Wheaton sings gospel"?

A:
It's impossible to say