QUES: Q: Who built the first Colossus in 1943?
A: To crack the more sophisticated German Lorenz SZ 40/42 machine, used for high-level Army communications, Max Newman and his colleagues commissioned Flowers to build the Colossus.
Does the answer answer the question?

ANS: yes

QUES: Q: The electrical properties of neurons are controlled by what?
A: The electrical properties of neurons are controlled by a wide variety of biochemical and metabolic processes, most notably the interactions between neurotransmitters and receptors that take place at synapses.
Does the answer answer the question?

ANS: yes

QUES: Q: Modern historians have been over lenient towards what?
A: Bradbury takes a moderate line, but suggests that in recent years modern historians have been overly lenient towards John's numerous faults.
Does the answer answer the question?

ANS: yes

QUES: Q: What invention prevented lines from getting mixed?
A: To prevent the risk of out-of-phase supplies mixing, sections of line fed from different feeder stations must be kept strictly isolated.
Does the answer answer the question?

ANS:
no