question: What are some of Alaska 's industrial products ?
answer: crude petroleum , natural gas , coal , gold , precious metals , zinc and other mining , seafood processing , timber and wood products
turker_answer: Some of Alaska 's industrial products are crude petroleum , natural gas , coal , gold , precious metals , zinc and other mining , seafood processing , timber and wood products .
rule-based: Some of Alaska 's industrial products are crude petroleum , natural gas , coal , gold , precious metals , zinc and other mining , seafood processing , timber and wood products .