The leadership in advocating these Young Offenders Act reforms has been provided in particular by the hon. member for Crowfoot, the hon. member for West Vancouver-Sunshine Coast, the hon. member for Surrey North, the hon. member for Langley-Abbotsford and many others of my colleagues.
Anne McLellan had many colleagues who advocated these Young Offenders Act reforms.
it doesn't say whose colleagues these were so it is neither but I think the AI already knew so marked it correct 
( z1 have-rel-role :ARG0 ( z2 person :quant ( z3 many ) :ARG0-of ( z4 advocate :ARG1 ( z5 reform :ARG1 ( z6 law :name ( z7 name :op "Young" :op "Offenders" :op "Act" ) :mod ( z8 this ) ) ) ) ) )