Assertion: pitcher's ball | /r/HasProperty | circumference
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text: Softball is a game similar to baseball played with a larger ball (11 to 16 in. circumference) on a field that has base lengths of 60 feet, a pitcher's mound that ranges from 43–50 feet away from home plate, and a home run fence that is 220–300 feet away from home plate, depending on the type of softball being played.