question:
By the end of 1940 significant improvements had been made in the Underground and in many other large shelters.
What kind of trains provided food in the shelters?

answer: no

question:
Between the 1500s and the 1700s, Guam was an important stopover for the Spanish Manila Galleons.
When did Guam's indigenous people first arrive?

answer: no

question:
Agricultural activities are still carried on in the municipality, even though of relatively minor importance with only 1.9% of the working population and 3973 hectares planted mostly in orchards and citrus groves.
What percentage of Valencia's workers are employed in the agricultural sector?

answer: yes

question:
On 8 December, the United States, the United Kingdom, Canada, and the Netherlands declared war on Japan, followed by China and Australia the next day.
On what day did the U.S. and its allies declar war on Japan?

answer:
yes