Which sentence is correctly punctuated? 1. Katie and Melko who are both avid readers, have been chosen for the varsity volleyball team.
2. Ted and David, brothers to Elaine are both forwards on the basketball team.
3. The entire freshman class having mostly boys must eat lunch in the cafeteria each day.
4. Much of the new building, which was built over a ten-year period, is already overcrowded.