question: What are the two main sources of income for the federal government ?
answer: value-added tax ( 33 % ) and the direct federal tax ( 29 % )
turker_answer: The two main sources of income for the federal government are value-added tax ( 33 % ) and the direct federal tax ( 29 % ) .
rule-based: The two main sources of income for the federal government are value-added tax ( 33 % ) and the direct federal tax ( 29 % .