QUES: Q: What was the former name of the company that provided the fuel cells to the city?
A: The fuel cells were provided by ClearEdge Power, formerly UTC Power.
Does the answer answer the question?

ANS: yes

QUES: Q: Who was the ruler of Ghazni?
A: After the Battle of Peshawar, he committed suicide because his subjects thought he had brought disaster and disgrace to the Shahi dynasty.
Does the answer answer the question?

ANS: no

QUES: Q: Who did the Oeselian pirates atack?
A: Among the casualties of this raid was the Swedish archbishop Johannes.
Does the answer answer the question?

ANS: no

QUES: Q: Wat was the purpose of the Patriarch when they were sent north?
A: The attack was the first encounter between the Rus' and Byzantines and led the Patriarch to send missionaries north to engage and attempt to convert the Rus' and the Slavs.
Does the answer answer the question?

ANS:
yes