Input:

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.

Sentence: Before the Risch algorithm indefinite integration was impossible.

Output: It's impossible to say

Input:

"All for Love" is a song written by Bryan Adams, Robert John "Mutt" Lange and Michael Kamen for the soundtrack " The Three Musketeers: Original Motion Picture Soundtrack". It was performed by Bryan Adams, Rod Stewart and Sting. The song was released as a CD single in the United States on November 16, 1993. It was a worldwide hit, reaching number one across Europe and North America.

Sentence: All for Love was written by less than four people

Output: Yes

Input:

Rudolph the Red-Nosed Reindeer is a legendary reindeer, created by Robert Lewis May, usually depicted as a young fawn who barely has antlers, with a glowing red nose, popularly known as "Santa's ninth reindeer." When depicted, he is the lead reindeer pulling Santa's sleigh on Christmas Eve. The luminosity of his nose is so great that it illuminates the team's path through inclement winter weather.

Sentence: Rudolph the Red-Nosed Reindeer was the 2nd youngest deer in Santa's pack of reindeers

Output: It's impossible to say

Input:

Xavier Ortiz Ramirez (born June 29) is a Mexican actor, singer, model, producer, TV host, Dentist/surgeon and entrepreneur, owner of bar-restaurant "la santa bar" in Guadalajara, Mexico. former member of the musical group "Garibaldi (band)". On April 17, 1999 he married another former member of the group Garibaldi, which lasted 15 years 10 as couple and 5 years as husband and wife.

Sentence: Xavier Ortiz Ramirez was best at being an actor.

Output:
It's impossible to say