Each word (excluding proper nouns) gets three options. Proper nouns here: none. So all can be replaced.
"prisons" → jails
"justice" → legallawsystem
Let me proceed carefully. The user says "Don't touch proper nouns. Text only. rephrase each term with 3 synonyms using syn2 format." So I need to go through the text and replace each term (except proper nouns) with three synonyms. Proper nouns are things like names of places, organizations, etc. Words like "cells," "confinement," etc., are common nouns and can be replaced. Searching for- Lockup in-