Surely the member would admit that we should not prejudge the inquiry and that there were some students or even non-students who were members of groups such as the International Socialist Workers Party and other radical organizations who were clearly there to disrupt the summit, posing a security threat and tearing down a security wall separating them from heads of states.
The speaker thinks that members of the International Socialist Workers Party were causing trouble at the summit.
( z1 think :ARG0 ( z2 person :ARG0-of ( z3 speak ) ) :ARG1 ( z4 make-trouble :ARG0 ( z5 person :ARG0-of ( z6 have-org-role :ARG1 ( z7 political-party :name ( z8 name :op "International" :op "Socialist" :op "Workers" :op "Party" ) ) :ARG2 ( z9 member ) ) ) :time ( z10 summit ) ) )