A person on a parasail jumps off a wave.
Person jumping
Both times a person jumps or is jumping.
exists e1 s1 x1 x2 x3.(a_off(s1) & Manner(e1,s1) & Theme(e1,x3) & Actor(e1,x1) & v_jump(e1) & n_wave(x3) & on(x1,x2) & n_parasail(x2) & n_person(x1))
exists e1 x1.(ne_per_person(x1) & Actor(e1,x1) & v_jump(e1))