question: OPTIONS:
- yes
- no
At the time of the Berlin Conference, Africa contained one-fifth of the world's population living in one-quarter of the world's land area.
What percent of the worlds population did Africa posses at the Berlin Conference?

answer: yes

[Q]: Sentence: In Newtonian physics, there is a universal law of conservation of energy which says that energy can be neither created nor be destroyed; however, it can change from one form to another. Question: What law states, in part, that energy can change from one form to another? OPTIONS:
- yes
- no
++++++++++
[A]: yes

Q: Does "It happens suddenly and it may last some hours or past sunset time." provide a valid answer to "What have locals coined the morning time in May?"?
OPTIONS:
- yes
- no
A: no

Problem: Does "Imperial submitted a total of 1,257 staff across 14 units of assessment to the 2014 Research Excellence Framework (REF) assessment." answer the question "How highly was Imperial ranked in "research power" in 2014?" OPTIONS:
- yes
- no

A: no

Does the sentence "The libraries of the University include the Watson Library, Spencer Research Library, and Anschutz Library, which commemorates the businessman Philip Anschutz, an alumnus of the University." provide a valid answer to the question "What is the name of a fine art institution on the campus of KU?" OPTIONS:
- yes
- no

A: no

Does the sentence "Car hire is available for visitors." provide a valid answer to the question "Where does the minibus travel to?" OPTIONS:
- yes
- no

A:
no