QUES: Q: Similar tianguis might set up shop where?
A: Street vendors play their trade from stalls in the tianguis as well as at non-officially controlled concentrations around metro stations and hospitals; at plazas comerciales, where vendors of a certain "theme" (e.g. stationery) are housed; originally these were organized to accommodate vendors formerly selling on the street; or simply from improvised stalls on a city sidewalk.
Does the answer answer the question?

ANS: yes

QUES: Q: In what year was the Greater London Council formed?
A: Primarily starting in the mid-1960s, London became a centre for the worldwide youth culture, exemplified by the Swinging London subculture associated with the King's Road, Chelsea and Carnaby Street.
Does the answer answer the question?

ANS: no

QUES: Q: What are European revolutions known as in other countries?
A: The European Revolutions of 1848, known in some countries as the Spring of Nations or the Year of Revolution, were a series of political upheavals throughout the European continent.
Does the answer answer the question?

ANS: yes

QUES: Q: After publishing anti-Semitic editorials in 1920, what did The Times refer to Jews as being?
A: In editorials published on 29 and 31 July 1914, Wickham Steed, the Times's Chief Editor, argued that the British Empire should enter World War I.
Does the answer answer the question?

ANS:
no