Q: Does "Residents of Mexico City are more recently called defenos (deriving from the postal abbreviation of the Federal District in Spanish: D.F., which is read "De-Efe")." provide a valid answer to "What nickname are residents of Mexico given that more reflects the Spanish influence of the city?"?
OPTIONS:
- yes
- no
A: yes

Q: Does "From 1942 onward Menzies had maintained his public profile with his series of "The Forgotten People" radio talkssimilar to Franklin D. Roosevelt's "fireside chats" of the 1930sin which he spoke of the middle class as the "backbone of Australia" but as nevertheless having been "taken for granted" by political parties." provide a valid answer to "How did Roosevelt refer to the middle class?"?
OPTIONS:
- yes
- no
A: yes

Q: Does "United States president George W. Bush fulfilled his lifetime ambition of visiting a 'genuine British pub' during his November 2003 state visit to the UK when he had lunch and a pint of non-alcoholic lager (Bush being a teetotaler) with British Prime Minister Tony Blair at the Dun Cow pub in Sedgefield, County Durham in Blair's home constituency." provide a valid answer to "In what county was the Swan Inn located?"?
OPTIONS:
- yes
- no
A: no

Q: Does "In humans, the effects of strokes and other types of brain damage have been a key source of information about brain function." provide a valid answer to "The two main structures that protect the brain are what?"?
OPTIONS:
- yes
- no
A:
no