instruction:
In this task, you're given a statement, further information available on a particular linked term from the statement, and a question. Your job is to generate the answer to the question by using the information provided. If there is no clear answer obtainable, output 'none'.
question:
Context: A more powerful engine was added to the second prototype, and a single 7.92 mm (.312 in) MG 15 machine gun for the rear seat was added to the third prototype. Link Information: he World War II MG 15 was used in nearly all Luftwaffe aircraft with a flexible-mount defensive position. Question: What other planes were fitted with the MG 15?
answer:
Answer: nearly all Luftwaffe aircraft with a flexible-mount defensive position


question:
Context: Their Greatest Hits album, released later that year, contained the singles "Tonight She Comes" and a remixed version of "I'm Not the One" Link Information: "Tonight She Comes" is a 1985 song by American rock band the Cars, from their Greatest Hits album. It was released as a single in October 1985, reaching number 7 on the Billboard Hot 100 in January 1986. The song reached number 1 on the Top Rock Tracks charts, where it stayed for three weeks. Question: Which of The Cars' greatest hit singles has sold the most?
answer:
Answer: "Tonight She Comes" 


question:
Context: Trudeau had once sympathized with Marxists and had spent time in the democratic socialist Cooperative Commonwealth Federation Link Information: none Question: Was Trudeau a member of the democratic socailist Cooperative Commonwealth Federation when the Quebec separatists threw rocks and bottles at him?
answer:

Answer: none