A man in a white shirt sits at a computer, looking at a photo.
The man is raking leaves in the yard.
A man can not sit at a computer and rake leave from the yard at the same time.
exists e2 e1 s1 x1 x2 x3 x4.(for(e1,e2) & at(e2,x4) & n_photo(x4) & Actor(e2,x1) & v_look(e2) & at(e1,x3) & n_computer(x3) & Actor(e1,x1) & v_sit(e1) & in(x1,x2) & n_shirt(x2) & a_white(s1) & Theme(s1,x2) & n_man(x1))
exists e1 x1 x2 x3.(n_yard(x3) & n_man(x1) & in(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_rake(e1) & n_leaf(x2))