Problem: Does "Sprague's motor and related inventions led to an explosion of interest and use in electric motors for industry, while almost simultaneously another great inventor was developing its primary competitor, which would become much more widespread." answer the question "What was the transportation advancement made possible by Sprague's designs?"

A: no

Problem: Does "It was natural for the learned and literate monks to be entrusted with education, and Benedictine monks were required by the Pope to maintain a charity school in 1179." answer the question "Who required the Benedictine monks to maintain a charity school?"

A: yes

Problem: Does "Many traditional festivals and customs were observed in the old times, which included climbing the City Wall on January 16, bathing in Qing Xi on March 3, hill hiking on September 9 and others (the dates are in Chinese lunar calendar)." answer the question "How many of these old festivals are still celebrated by residents of Nanjing?"

A:
no