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.
All students joined in to disrupt a summit.
( z1 join-in :ARG0 ( z2 person :ARG0-of ( z3 study ) :mod ( z4 all ) ) :purpose ( z5 disrupt :ARG0 z2 :ARG1 ( z6 summit ) ) )