Does the sentence "The only electrified line is the Ponferrada-Monforte de Lemos-Ourense-Vigo line." provide a valid answer to the question "What is the name of its only electrified railway?"

A: yes

Does the sentence "The parentheses could not correspond to 9 and 0, however, because the place corresponding to 0 was taken by the space character." provide a valid answer to the question "When was the first typewritter with a shift key created?"

A: no

Does the sentence "In humans, the effects of strokes and other types of brain damage have been a key source of information about brain function." provide a valid answer to the question "What type of animal is most commonly used to study brain damage?"

A: no

Does the sentence "EPN is known for research and education in the applied science, astronomy, atmospheric physics, engineering and physical sciences." provide a valid answer to the question "What institution is in charge of tracking volcanic activity in the Galapagos Islands?"

A:
no