Asian man standing under mailbox.
Man sweeping the sidewalk.
Someone who is sweeping the sidewalk is not standing under the mailbox.
exists e1 s1 x1 x2 x3.(a_topic(x1) & under(e1,x3) & n_mailbox(x3) & Actor(e1,x2) & v_stand(e1) & (x1 = x2) & n_man(x1) & a_asian(s1) & Theme(s1,x1))
exists e1 x1 x2 x3.(n_sidewalk(x3) & a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_sweep(e1) & (x1 = x2) & n_man(x1))