question: What factor did Kanye West accuse of being the reason for his being excluded for the opening of the 2007 VMAs ?
answer: his race
turker_answer: Kanye West accused his race of being the reason for his being excluded for the opening of the 2007 VMAs .
rule-based: Kanye West accused his race of being the reason for his being excluded for the opening of the 2007 VMAs .