People watching a man breakdance.
A man is salsa dancing.
Break dance cannot be done during a salsa dance.
exists e1 x1 x2 x3 x4.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_watch(e1) & n_breakdance(x3) & of(x3,x4) & n_man(x4) & (x1 = x2) & n_people(x1))
exists p1 x1.(exists s1 x2.((x1 = x2) & n_dancing(x2) & a_salsa(s1) & Theme(s1,x2)) & n_man(x1))