Young school children are standing outdoors.
Young children are chasing zebra and wildebeest.
One cannot be chasing zebra while standing outdoors.
exists e1 x1 x2 x3 x4.(Time(e1,x4) & n_outdoors(x4) & Actor(e1,x1) & v_stand(e1) & n_child(x1) & of(x1,x3) & n_school(x3) & (x1 = x2) & ne_nam_young(x2))
exists e1 s1 x1 x2 x3 x4.(Theme(e1,x2) & Actor(e1,x1) & v_chase(e1) & n_wildebeest(x4) & n_zebra(x3) & subset_of(x4,x2) & subset_of(x3,x2) & n_child(x1) & a_young(s1) & Theme(s1,x1))