Determine if the sentence is true based on the text below:
Ruth Pryor was married in 1920

Ruth Pryor (1906-2001) was a Chicago ballet dancer and instructor, and the first American ballerina to dance the role of the Swan Queen in Swan Lake, in 1930. She was known for "her feat of whirling thirty-six times a minute on her toes," according to the Purple Parrot of Northwestern University.
It's impossible to say