Does the sentence "Local chemist William Cookworthy established his somewhat short-lived Plymouth Porcelain venture in 1768 to exploit the recently discovered deposits of local China Clay - an industry which continues to make up a portion of the city income." provide a valid answer to the question "What was the name of the engineer involved in the construction of the Eddystone Lighthouse?"

A: no

Does the sentence "In 1185 John made his first visit to Ireland, accompanied by 300 knights and a team of administrators." provide a valid answer to the question "When did John make his first visit to Ireland?"

A: yes

Does the sentence "Yale University, at the heart of downtown, is one of the city's best known features and its largest employer." provide a valid answer to the question "In what year did Gateway Community College open its newly consolidated downtown campus?"

A: no

Does the sentence "Some of the subjects were investigated for alleged ties to the Communist party (Charlie Chaplin and Groucho Marx), or in connection with antiwar activities during the Vietnam War (John Denver, John Lennon, and Jane Fonda)." provide a valid answer to the question "What activities was the FBI concerned with during the Vietnam war?"

A:
yes