A man is standing at a desk about to speak.
A man is sitting in the park feeding the pigeons.
standing and sitting are different activities
exists e1 p1 s1 x1 x2 x3.(Topic(e1,p1) & a_about(s1) & Manner(p1,s1) & exists e2.(Actor(e2,x1) & v_speak(e2)) & at(e1,x3) & n_desk(x3) & Actor(e1,x2) & v_stand(e1) & n_man(x2) & n_man(x1))
exists e1 e2 x1 x2 x3 x4.(n_pigeon(x4) & n_park(x2) & in(e1,x2) & Theme(e2,x4) & Actor(e2,x3) & v_feed(e2) & (x2 = x3) & Actor(e1,x1) & v_sit(e1) & n_man(x1))