Problem: The 2012-13 Tour de Ski was the 7th edition of the Tour de Ski. The event began in Oberhof, Germany on December 29, 2012, and ended in Val di Fiemme, Italy on January 6, 2013. The women's cup was won by defending champion Justyna Kowalczyk (Poland) while the men's cup was won by Russian Alexander Legkov ahead of defending champion Dario Cologna of Switzerland.

Based on the paragraph above can we conclude that "Tour de Ski is a popular competition in Europe"?

A: It's impossible to say

Problem: The Chandrasekhar family is an Indian intellectual family. Several members of the family have achieved scientific distinction, notably in the field of physics. Two members of the family, Sir C. V. Raman and his nephew, Subrahmanyan Chandrasekhar, were Nobel laureates in physics.

Based on the paragraph above can we conclude that "The Chandrasekhar family were Nobel laureates in science."?

A: It's impossible to say

Problem: On October 20, 1977, a Convair CV-240 chartered by the rock band Lynyrd Skynyrd from L&J Company of Addison, Texas, ran out of fuel and crashed in Gillsburg, Mississippi, near the end of its flight from Greenville, South Carolina, to Baton Rouge, Louisiana.

Based on the paragraph above can we conclude that "Lynyrd Skynyrd rented a bus on October 20, 1977."?

A:
No