QUES: Q: Who extended the telegraph to the coast of the Black Sea?
A: After the French extended the telegraph to the coast of the Black Sea during the winter of 1854, the news reached London in two days.
Does the answer answer the question?

ANS: yes

QUES: Q: How many wires did Bell send a signal through?
A: The basic concept behind his device was that messages could be sent through a single wire if each message was transmitted at a different pitch, but work on both the transmitter and receiver was needed.
Does the answer answer the question?

ANS: no

QUES: Q: When did was Myanmar ruled by the Taungoo Dynasty ?
A: The early 19th century Konbaung Dynasty ruled over an area that included modern Myanmar and briefly controlled Manipur and Assam as well.
Does the answer answer the question?

ANS: no

QUES: Q: What type of appliances is Iran a leading manufacturer of in the Middle East?
A: According to FAO, Iran has been a top five producer of the following agricultural products in the world in 2012: apricots, cherries, sour cherries, cucumbers and gherkins, dates, eggplants, figs, pistachios, quinces, walnuts, and watermelons.
Does the answer answer the question?

ANS:
no