question: OPTIONS:
- yes
- no
These short-range weapons proved more deadly, and the "Red Baron" is believed to have been shot down by an anti-aircraft Vickers machine gun.
What type of weapon is thought to have shot down the Red Baron?

answer: yes

question: OPTIONS:
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These actions were used to affirm Portugal's status as a transcontinental nation and not as a colonial empire.
What action affirmed Portugal's status as a transcontinental nation?

answer: no

question: OPTIONS:
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It came to rely heavily on Daniel-Henry Kahnweiler's book Der Weg zum Kubismus (published in 1920), which centered on the developments of Picasso, Braque, Leger, and Gris.
On which book and who was the author was one of the main sources of the historical study of Cubism based?

answer: yes

question: OPTIONS:
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- no
In 1824 and 1825, at Szafarnia, he was a guest of Dominik Dziewanowski, the father of a schoolmate.
Who was Frederic a guest of during his visit of Szafarnia in 1824 and 1825?

answer:
yes