Modifies provisions relating to minimum prison terms

Based solely on the provided context, a substantive summary of SB 251 cannot be generated. The bill's title and official abstract ("Modifies provisions relating to minimum prison terms") are too vague to describe what the bill actually does, who it affects, or its key mechanisms. No specific policy changes, affected groups, or provisions are detailed in the given information. For a meaningful summary, the full text of the bill or a detailed abstract would be required.