Problem: Wallace Michael Ross (19 September 1920 20 January 2010) was the founder of the Derby Bach Choir. He was also the Master of Music at Derby Cathedral, assistant organist at several great English Cathedrals, teacher of languages and music at several schools including Sturgess School in Derby. He also founded the Derby Cathedral Brass Ensemble and the Derby Sinfonia.

Based on the paragraph above can we conclude that "He became a woman"?

A: It's impossible to say

Problem: The Grand Duel (Italian: "Il Grande duello"), also known as Storm Rider and The Big Showdown, is a 1972 Spaghetti Western film directed by Giancarlo Santi, who had previously worked as Sergio Leone's assistant director on "The Good, the Bad and the Ugly" and "Once Upon a Time in the West". The film stars Lee Van Cleef as a sheriff who seeks justice for a man accused of murder.

Based on the paragraph above can we conclude that "Spaghetti Westerns are characterized by a lone hero seeking justice for a downtrodden character."?

A: It's impossible to say

Problem: Wang Tieguan ()is a Chinese noted geologist,Academician of the Chinese Academy of Sciences,Professor of China University of Petroleum,PhD Tutor born in December,1937,born in Shanghai City,People's Republic of China in December,1937, graduated from Beijing Petroleum Geology School(predecessor of Yangtze University)in 1956 and from Beijing Petroleum Institute in 1965.

Based on the paragraph above can we conclude that "Tieguan was born while Taft was the President of the United States."?

A:
No