It was the best advance since Oct. 1, when the index gained 22.25.
Standard & Poor's 500 index rose 15.66 to 1,046.79, its best advance since Oct. 1, when it gained 22.25.

On a scale from 0 to 5, where 0 is "no meaning overlap" and 5 is "means the same thing", how closely does the first sentence resemble the second one?
3