QUES: Q: What countries are testing this?
A: There are more than 200 thermochemical cycles which can be used for water splitting, around a dozen of these cycles such as the iron oxide cycle, cerium(IV)
Does the answer answer the question?

ANS: no

QUES: Q: What was the main flaw of San Diego's original location?
A: The original town of San Diego was located at the foot of Presidio Hill, in the area which is now Old Town San Diego State Historic Park.
Does the answer answer the question?

ANS: no

QUES: Q: What year did Walker retire?
A: In 1986, Michael Dell brought in Lee Walker, a 51-year-old venture capitalist, as president and chief operating officer, to serve as Michael's mentor and implement Michael's ideas for growing the company.
Does the answer answer the question?

ANS: no

QUES: Q: What state did the Saturn V rocket launch from?
A: They trained for the mission until just before the actual launch day.
Does the answer answer the question?

ANS:
no