Read each sentence and use the drop-down menu to determine which revision, if any, is needed. The winning lottery numbers are three, fifteen, nineteen, and twenty seven. At least one-fourth of the paintings—which are all by American artists—will be included in the special exhibit. Mr. Singh, an accomplished musician, plays three instruments: piano, trumpet and clarinet.
Selection 1:Add a hyphen between “twenty” and “seven.”
Selection 2:No revision is needed.
Selection 3:Add a comma after “trumpet.”