Question:
Choose your answer: Is "Navigation is based on a variety of senses." a good answer to the question "What is navigation based on?" OPTIONS:
- yes
- no
Answer:
yes

Question:
Choose your answer: Is "From the 820s the town declined because of repeated Viking invasions." a good answer to the question "Of the three recorded Viking assaults on London, how many were successful?" OPTIONS:
- yes
- no
Answer:
no

Question:
Choose your answer: Is "Manolis Kalomiris is considered the founder of the Greek National School of Music." a good answer to the question "Who is considered the Greek National School of Music founder?" OPTIONS:
- yes
- no
Answer:
yes