Which sentence shows where a comma should be placed to indicate words left out of an elliptical sentence?
Thomas rides over the larger hills at the bike park; I, over the smaller ones.
Thomas rides over the larger hills at the bike park; I over, the smaller ones.
Thomas rides over the larger hills at the bike park; I over the smaller, ones.
Thomas rides, over the larger hills, at the bike park; I over the smaller ones.
