Problem: Does "Alexandrian Constantine P. Cavafy and Nobel laureates Giorgos Seferis and Odysseas Elytis are among the most important poets of the 20th century." answer the question "Who sang in a voice that is in the high octave range from the Modern Greek Era ?"

A: no

Problem: Does "The data is stored on PetaBox rack systems manufactured by Capricorn Technologies." answer the question "As of 2003, what was the rate of increase in the amount of data recorded by the Wayback Machine?"

A: no

Problem: Does "Newly electrified lines often show a "sparks effect", whereby electrification in passenger rail systems leads to significant jumps in patronage / revenue." answer the question "What can be seen in the newly electrified lines?"

A:
yes