Q: Does "Alaska's economy depends heavily on increasingly expensive diesel fuel for heating, transportation, electric power and light." provide a valid answer to "What purpose does diesel fuel have in Alaska?"?
A: yes

Q: Does "These were Native Americans of the Laurentian valleythe Algonquin, the Abenaki, the Huron, and others." provide a valid answer to "Who were the Seven Nations of Canada?"?
A: yes

Q: Does "ReplayGain is a standard for measuring and storing the loudness of an MP3 file (audio normalization) in its metadata tag, enabling a ReplayGain-compliant player to automatically adjust the overall playback volume for each file." provide a valid answer to "What does the standard ReplayGain allow a player to automatically adjust?"?
A: yes

Q: Does "This segment runs in East Harlem and crosses portions of Third Avenue, Lexington, and Park" provide a valid answer to "A segment of what road crosses portions of Third Avenue, Lexington, and Park and runs in East Harlem?"?
A:
no