question: OPTIONS:
- yes
- no
The early and mid-1980s saw economic trouble for Libya; from 1982 to 1986, the country's annual oil revenues dropped from $21 billion to $5.4 billion.
How much money did Libya earn from oil in 1986?

answer: yes

[Q]: Sentence: In July 2013, three former supporters of Mayor Bob Filner asked him to resign because of allegations of repeated sexual harassment. Question: Why was Mayor Bob Filner asked to resign? OPTIONS:
- yes
- no
++++++++++
[A]: yes

Q: Does "John was optimistic, as he had successfully built up alliances with the Emperor Otto, Renaud of Boulogne and Count Ferdinand of Flanders; he was enjoying papal favour; and he had successfully built up substantial funds to pay for the deployment of his experienced army." provide a valid answer to "When did John leave for Poitou?"?
OPTIONS:
- yes
- no
A: no

Problem: Does "Despite this, the Austrians, under the command of General Laudon, captured Glatz (now Kodzko, Poland) in Silesia." answer the question "Where is Glatz" OPTIONS:
- yes
- no

A: yes

Does the sentence "The Prince Regent and the Duke of York were estranged from their wives, who were both past child-bearing age, so the two eldest brothers were unlikely to have any further children." provide a valid answer to the question "Whose infant daugheters both died, leaving him without an heir to the throne of England?" OPTIONS:
- yes
- no

A: no

Does the sentence "Children as young as four were employed in production factories and mines working long hours in dangerous, often fatal, working conditions." provide a valid answer to the question "What was the youngest age of a child working in a factory?" OPTIONS:
- yes
- no

A:
yes