A large amount of people sit outside some sort of water related event with Canadian flags.
People are protesting a summer event.
People sitting outside of some event doesn't imply protesting.
exists e1 e2 s1 s2 x1 x2 x3 x4 x5 x6.(outside(e1,x3) & of(x3,x4) & with(x4,x6) & n_flag(x6) & a_canadian(s2) & Theme(s2,x6) & n_event(x4) & Theme(e2,x4) & v_relate(e2) & of(x4,x5) & n_water(x5) & n_sort(x3) & Actor(e1,x1) & v_sit(e1) & of(x1,x2) & n_people(x2) & n_amount(x1) & a_large(s1) & Theme(s1,x1))
exists e1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_protest(e1) & n_event(x2) & of(x2,x3) & n_summer(x3) & n_people(x1))