Does the sentence "The most commonly given starting point for the Middle Ages is 476, first used by Bruni.[A]" provide a valid answer to the question "What date is usually given as the beginning of the Middle Ages?" OPTIONS:
- yes
- no

A: yes

Question:
Choose your answer: Is "It can be caused by bacterial infections, viral infections, parasitic infections, or autoimmune problems such as inflammatory bowel diseases." a good answer to the question "When does inflammatory diarrhea occur?" OPTIONS:
- yes
- no
Answer:
no

QUES: Q: 300 Linux kernel developers work here.
A: The company invests billions of dollars in services and software based on Linux through the IBM Linux Technology Center, which includes over 300 Linux kernel developers.
Does the answer answer the question? OPTIONS:
- yes
- no

ANS: yes

Does "This pericardial sac is filled with a serous fluid for lubrication." contain the correct answer to "What lubricates the pericardial sac?"
OPTIONS:
- yes
- no

A: yes

question: OPTIONS:
- yes
- no
The later part of the 19th century saw the exploitation of the Earth's petrochemicals, after the exhaustion of the oil supply from whaling.
Late 19th century is marked by what event?

answer: yes

question: OPTIONS:
- yes
- no
Some species of tubenoses (Procellariiformes) such as albatrosses circle the earth, flying over the southern oceans, while others such as Manx shearwaters migrate 14,000 km (8,700 mi) between their northern breeding grounds and the southern ocean.
Where does the Arctic tern migrate each year?

answer:
no