question: What three speeds were sound on most home stereos in the mid 1950 's ?
answer: 78 , 45 , 33 1⁄3
turker_answer: The speeds 78 , 45 , 33 1⁄3 were the most common sound speeds most home stereos in the mid 1950 's .
rule-based: 78 , 45 , 33 1⁄3 were sound on most home stereos in the mid 1950 's .