A businessman sitting on a bench on his cellphone.
A man is standing up.
A man cannot be sitting and standing up simultaneously.
exists e1 x1 x2 x3 x4.(a_topic(x1) & on(e1,x4) & n_cellphone(x4) & of(x4,x1) & n_male(x1) & on(e1,x3) & n_bench(x3) & Actor(e1,x2) & v_sit(e1) & (x1 = x2) & n_businessman(x1))
exists e1 s1 x1.(a_up(s1) & Manner(e1,s1) & Actor(e1,x1) & v_stand(e1) & n_man(x1))