Students are outside of a dorm building having a water fight.
The students have water guns.
Just because students are having a water fight doesn't mean they have water guns.
exists e1 e2 x1 x2 x3 x4 x5.(for(e1,e2) & Theme(e2,x4) & Actor(e2,x1) & v_have(e2) & n_fight(x4) & of(x4,x5) & n_water(x5) & of(e1,x2) & n_building(x2) & of(x2,x3) & n_dorm(x3) & r_outside(e1) & Actor(e1,x1) & v_be(e1) & n_student(x1))
exists e1 x1 x2 x3.(n_student(x1) & Theme(e1,x2) & Actor(e1,x1) & v_have(e1) & n_gun(x2) & of(x2,x3) & n_water(x3))