question: What surprised the children most when they received letters in reply from Santa Claus every year ?
answer: Santa Claus had so much information about their families .
turker_answer: The children were surprised the most when they received letters in reply from Santa Claus every year , because he had so much information about their families .
rule-based: Santa Claus had so much information about their families surprised the children most when they received letters in reply from Santa Claus every year .