[Q]: Sentence: Rapid environmental changes typically cause mass extinctions. Question: What can typically cause mass extinctions?
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[A]: yes

[Q]: Sentence: Major theaters in Detroit include the Fox Theatre (5,174 seats), Music Hall (1,770 seats), the Gem Theatre (451 seats), Masonic Temple Theatre (4,404 seats), the Detroit Opera House (2,765 seats), the Fisher Theatre (2,089 seats), The Fillmore Detroit (2,200 seats), Saint Andrew's Hall, the Majestic Theater, and Orchestra Hall (2,286 seats) which hosts the renowned Detroit Symphony Orchestra. Question: What family purchased the Detroit opera House?
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[A]: no

[Q]: Sentence: In the Eocene epoch, about 40 Ma Australia-New Guinea separated from Antarctica, so that latitudinal currents could isolate Antarctica from Australia, and the first ice began to appear. Question: In what period did Africa beak off from Antarctica?
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[A]:
no