▁comp elling ▁and ▁emot ional ▁ride , ▁easily ▁worthy ▁of ▁being ▁named ▁the ▁best ▁movie ▁at ▁the ▁festival ." ▁ ▁Con curr ing ▁also ▁that ▁the ▁film ▁" is ▁ground ed ▁in ▁reality , ▁which ▁is ▁why ▁the ▁emot ions ▁felt ▁by ▁the ▁characters ▁and ▁the ▁audience ▁are ▁so ▁real . ▁ ▁This ▁kind ▁of ▁ab use ▁happens ▁all ▁the ▁time ▁in ▁reform ▁facilities ▁in ▁the ▁US ." ▁ ▁Complex ▁scored ▁Cold water ▁an ▁ 8 / 1 0 , ▁saying ▁" Gr ash aw ' s ▁inten se ▁debut ▁generates ▁the ▁highest ▁level ▁of ▁raw ▁susp ense ." ▁ ▁F inding ▁it ▁" ac com pl ished ▁and ▁dealing ▁out ▁powerful ▁damage ," ▁with ▁the ▁" story t elling ▁m atur ity , ▁g ri pping ▁pace , ▁and ▁grade - A ▁performances ▁( from ▁a ▁group ▁of ▁unknown ▁actors ) ▁that ▁one ▁would ▁find ▁in ▁a ▁veter an ' s ▁third ▁or ▁fourth ▁movie ." ▁ ▁The ▁Crit ical ▁Crit ics ' ▁ 5 / 5 ▁review ▁said ▁the ▁film ▁delivered ▁" with ▁a ▁sin cer ity ▁few ▁others ▁achieve ." ▁ ▁The ▁Film ▁Stage ' s ▁B + ▁review ▁predicted ▁it ▁" w ould ▁render ▁any ▁parent ▁who ▁ever ▁thought ▁of ▁volunt arily ▁sending ▁their ▁kid ▁away ▁to ▁one ▁of ▁these ▁establish ments ▁mo ot ." ▁ ▁B T ▁News ▁Network ▁called ▁the ▁film ▁" a ▁h arrow ingly ▁ha un ting ▁motion ▁picture ," ▁that ▁" inc ites ▁thought ▁and ▁debate ▁– ▁two ▁things ▁that ▁too ▁few ▁films ▁are