QUES: Q: How is the energy stored by pumped-storage hydroelectricity recovered?
A: The energy is recovered when demand is high by releasing the water, with the pump becoming a hydroelectric power generator.
Does the answer answer the question? OPTIONS:
- yes
- no

ANS: yes

QUES: Q: When are most of the problems created that might result in an otherwise valid treaty being rejected as a binding international agreement?
A: There are several reasons an otherwise valid and agreed upon treaty may be rejected as a binding international agreement, most of which involve problems created at the formation of the treaty.[citation needed]
Does the answer answer the question? OPTIONS:
- yes
- no

ANS: yes

QUES: Q: Which governing body controls the England national football team?
A: England are one of the two oldest national teams in football; alongside Scotland, whom they played in the world's first international football match in 1872.
Does the answer answer the question? OPTIONS:
- yes
- no

ANS: no

QUES: Q: What group uses infinite field extensions with topology?
A: Galois groups of infinite field extensions such as the absolute Galois group can also be equipped with a topology, the so-called Krull topology, which in turn is central to generalize the above sketched connection of fields and groups to infinite field extensions.
Does the answer answer the question? OPTIONS:
- yes
- no

ANS:
yes