question:
Nasser's involvement in political activity increased throughout his school years, such that he only attended 45 days of classes during his last year of secondary school.
How many days did Nasser attend classes in his senior year?

answer: yes

question:
Modern players David Grisman, Sam Bush, and Mike Marshall, among others, have worked since the early 1970s to demonstrate the mandolin's versatility for all styles of music.
Who are othe rwell know players?

answer: no

question:
Under the Central Intelligence Agency Act of 1949, the Director of Central Intelligence is the only federal government employee who can spend "un-vouchered" government money.
What year was the Central Intelligence Agency Act created?

answer: yes

question:
The terms "Catalan" and "Valencian" (respectively used in Catalonia and the Valencian Community) are two different varieties of the same language.
What are Catalan and Valencian assumed to be?

answer:
yes