QUES: Q: Who discovered the first synthetic dye?
A: Perkin's discovery was prompted by his work with von Hofmann on the substance aniline, derived from coal tar, and it was this breakthrough which sparked the synthetic dye industry, a boom which some historians have labelled the second chemical revolution.
Does the answer answer the question?

ANS: no

QUES: Q: What was the goal in the General Staff studying past operations?
A: The Prussian General Staff developed by Moltke proved to be extremely effective, in contrast to the traditional French school.
Does the answer answer the question?

ANS: no

QUES: Q: What divides the city's northern and southern segments?
A: Several reservoirs and Mission Trails Regional Park also lie between and separate developed areas of the city.
Does the answer answer the question?

ANS: no

QUES: Q: Which airlines first agreed to install seat connections for iPods?
A: The free service will allow passengers to power and charge an iPod, and view video and music libraries on individual seat-back displays.
Does the answer answer the question?

ANS:
no