Problem: The Agatha Christie Award ( ) is a Japanese literary award established in 2010 in commemoration of the 120th anniversary of Agatha Christie's birth. The award is presented by Hayakawa Publishing Corporation in association with the Agatha Christie Society, which is chaired by Mathew Pritchard, the grandson of Agatha Christie.

Based on the paragraph above can we conclude that "The Agatha Christie Award is presented by Hayakawa Publishing Corporation in association with the Agatha Christie Society, which is chaired by Agatha Christie's grandson Mathew."?

A: Yes

Problem: In symbolic computation (or computer algebra), at the intersection of mathematics and computer science, the Risch algorithm is an algorithm for indefinite integration. It is used in some computer algebra systems to find antiderivatives. It is named after the American mathematician Robert Henry Risch, a specialist in computer algebra who developed it in 1968.

Based on the paragraph above can we conclude that "Before the Risch algorithm computers had a hard time finding antiderivatives."?

A: It's impossible to say

Problem: Christopher James Paolini (born November 17, 1983, Los Angeles, California) is an American author. He is the author of the "Inheritance Cycle", which consists of the books "Eragon", "Eldest", "Brisingr" and "Inheritance". He currently lives in Paradise Valley, Montana, where he wrote his first book.

Based on the paragraph above can we conclude that "Christopher James Paolini is not 50 years old."?

A:
Yes