[Q]: Sentence: With no formal training, he mastered the piano and became the family's pianist. Question: What did Bell succeed at without being taught? OPTIONS:
- yes
- no
++++++++++
[A]: yes

Q: Does "The Byzantines established the Theme of Cherson, formally known as Klimata, in the Crimea in the 830s to defend against raids by the Rus' and to protect vital grain shipments supplying Constantinople." provide a valid answer to "What did the Byzantine empire use to expand its political influence?"?
OPTIONS:
- yes
- no
A: no

Problem: Does "In the early 21st century, many have adopted Islam, which is now practiced by 50% of the country's population." answer the question "What denomination are the majority of Guinea-Bissau's muslims?" OPTIONS:
- yes
- no

A: no

Does the sentence "Both men later became full associates in the Volta Laboratory Association." provide a valid answer to the question "In the photophone, light carried sound and what?" OPTIONS:
- yes
- no

A: no

Question:
Choose your answer: Is "On his mother's side, Hayek was second cousin to the philosopher Ludwig Wittgenstein." a good answer to the question "Whose philosophy heavily influenced Hayek?" OPTIONS:
- yes
- no
Answer:
yes

[Q]: Sentence: The most significant of these projects was the construction of a coastal highway of more than 500 km connecting Massawa with Asseb, as well as the rehabilitation of the Eritrean Railway. Question: What is the capital of Eritrea? OPTIONS:
- yes
- no
++++++++++
[A]:
no