People watching a man breakdance.
A man is dancing
People watching a breakdance doesn't necessarily imply that a man is currently dancing.
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 e1 x1.(Actor(e1,x1) & v_dance(e1) & n_man(x1))