QUES: Q: What activities are popular in the mountains of Tucson?
A: Catalina Highway stretches 25 miles (40 km) and the entire mountain range is one of Tucson's most popular vacation spots for cycling, hiking, rock climbing, camping, birding, and wintertime snowboarding and skiing.
Does the answer answer the question?

ANS: yes

QUES: Q: By what height did sea levels rise at the end of the last glacial period?
A: Ice melt caused world sea levels to rise about 35 metres (115 ft) in the early part of the Holocene.
Does the answer answer the question?

ANS: yes

QUES: Q: Which war transformed many colleges, including Northwestern?
A: Relations between Evanston and Northwestern were strained throughout much of the post-war era because of episodes of disruptive student activism, disputes over municipal zoning, building codes, and law enforcement, as well as restrictions on the sale of alcohol near campus until 1972.
Does the answer answer the question?

ANS: no

QUES: Q: What pigment did 19th century artists use that was deemed unfavorably?
A: Although widely used for a time, it ultimately proved unstable for use in oil painting, especially when mixed with the most common diluents, such as linseed oil, varnish and turpentine.
Does the answer answer the question?

ANS:
no