Question

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.

Answer 1

I'm pretty sure it would be the first one

Answer 2

Thomas rides over the larger hills at the bike park; I, over the smaller ones.