QUES: Q: Who edited the Polish "National Edition" of Chopin's works?
A: His works soon began to appear in popular 19th-century piano anthologies.
Does the answer answer the question?

ANS: no

QUES: Q: What year was the first HD video conferencing system displayed?
A: In May 2005, the first high definition video conferencing systems, produced by LifeSize Communications, were displayed at the Interop trade show in Las Vegas, Nevada, able to provide video at 30 frames per second with a 1280 by 720 display resolution.
Does the answer answer the question?

ANS: yes

QUES: Q: What is federalism seen as?
A: Still others have shown that federalism is only divisive when it lacks mechanisms tthat encourage political parties to compete across regional boundaries.
Does the answer answer the question?

ANS: no

QUES: Q: What is unique about Tbilisi?
A: Without catapults she can launch and recover lightly fueled naval fighters for air defense or anti-ship missions but not heavy conventional bombing strikes.[citation needed] Officially designated an aircraft carrying cruiser, she is unique in carrying a heavy cruiser's complement of defensive weapons and large P-700 Granit offensive missiles.
Does the answer answer the question?

ANS:
yes