People picking up trash in the park.
Dolphins jump through rings of fire.
People are not dolphins. Dolphins are not people.
exists e1 s1 x1 x2 x3 x4.(n_park(x4) & a_topic(x1) & in(e1,x4) & a_up(s1) & Manner(e1,s1) & Theme(e1,x3) & Actor(e1,x2) & v_pick(e1) & n_trash(x3) & (x1 = x2) & n_people(x1))
exists e1 x1 x2 x3.(through(e1,x2) & of(x2,x3) & n_fire(x3) & n_ring(x2) & Actor(e1,x1) & v_jump(e1) & n_dolphin(x1))