QUES: Q: Bell implemented Gray's design as a what?
A: Although Bell was, and still is, accused of stealing the telephone from Gray, Bell used Gray's water transmitter design only after Bell's patent had been granted, and only as a proof of concept scientific experiment, to prove to his own satisfaction that intelligible "articulate speech" (Bell's words) could be electrically transmitted.
Does the answer answer the question?

ANS: yes

QUES: Q: What was Chiang Kai-Shek's strongest army?
A: Of the 1,200,000 troops under Chiang's control, only 650,000 were directly controlled by his generals, and another 550,000 controlled by warlords who claimed loyalty to his government; the strongest force was the Szechuan army of 320,000 men.
Does the answer answer the question?

ANS: yes

QUES: Q: Where can one find the Limkoking University of Creative Technology?
A: There are some teaching and nursing assistant colleges around the country.
Does the answer answer the question?

ANS: no

QUES: Q: How much of Estonia speaks Russian?
A: In all, 67.8% of Estonia's population can speak Russian.
Does the answer answer the question?

ANS:
yes