A diver swims past a school of colorful fish.
The diver is a scientist studying fish.
not every diver swims
exists e1 s1 x1 x2 x3.(past(e1,x2) & of(x2,x3) & n_fish(x3) & a_colorful(s1) & Theme(s1,x3) & n_school(x2) & Actor(e1,x1) & v_swim(e1) & n_diver(x1))
exists p1 x1.(n_diver(x1) & exists e1 x2 x3 x4.((x1 = x2) & Theme(e1,x4) & Actor(e1,x3) & v_study(e1) & n_fish(x4) & (x2 = x3) & n_scientist(x2)))