question: What was the cause of this ?
answer: a combination of Sky 's strategy , the quality of Premier League football and the public 's appetite for the game
turker_answer: The cause of this was a combination of Sky 's strategy , the quality of Premier League football and the public 's appetite for the game .
rule-based: The cause of this was a combination of Sky 's strategy , the quality of Premier League football and the public 's appetite for the game .