Which artist has sold the most units?
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The occupation of a musician is to play music.
A musician is an occupation .
Which artist has sold the most units?</s>The [unused1]occupation                [unused2] of a musician is to play music.
Which artist has sold the most units?</s>The occupation of a musician is to play music.
Which artist has sold the most units?</s>A musician is an [unused1]occupation                [unused2] .
Which artist has sold the most units?</s>A musician is an occupation .
Which artist has sold the most units?</s>musician,0,musician,musician,instance of,[unused1]occupation[unused2],[unused1]occupation[unused2],0,musician,[unused1]occupation[unused2],0,[unused1]occupation[unused2]
Which artist has sold the most units?</s>musician,0,musician,musician,instance of,occupation,occupation,0,musician,occupation,0,occupation