3. The method of claim 2 , wherein the revised snippet is provided by: selecting a snippet piece to append to the snippet, determining that the snippet piece is to be appended to the snippet, and appending the snippet piece to the snippet.
3. The method of claim 2 , wherein the revised snippet is provided by: selecting a snippet piece to append to the snippet, determining that the snippet piece is to be appended to the snippet, and appending the snippet piece to the snippet. 4. The method of claim 3 , wherein determining that the snippet piece is to be appended to the snippet is performed based on a similarity score that reflects a similarity between the snippet and the snippet piece.