A man sitting in front of his computer looking at his email.
A man is looking at his computer screen.
you have to look at the computer screen to see the computer
exists e1 e2 x1 x2 x3 x4 x5.(a_topic(x1) & for(e1,e2) & at(e2,x5) & n_email(x5) & of(x5,x1) & n_male(x1) & n_male(x1) & Actor(e2,x2) & v_look(e2) & in(e1,x3) & of(x3,x4) & n_computer(x4) & of(x4,x1) & n_front(x3) & Actor(e1,x2) & v_sit(e1) & (x1 = x2) & n_man(x1))
exists e1 x1 x2 x3.(at(e1,x2) & n_screen(x2) & of(x2,x3) & n_computer(x3) & of(x2,x1) & n_male(x1) & Actor(e1,x1) & v_look(e1) & n_man(x1))