A shoeshine man sits on his stool in front of an empty seat.
A shoeshine man is on his lunch break.
Although the seat is empty, it does not imply he's on his lunch break.
exists e1 s1 x1 x2 x3 x4 x5.(in(e1,x4) & of(x4,x5) & n_seat(x5) & a_empty(s1) & Theme(s1,x5) & n_front(x4) & on(e1,x3) & n_stool(x3) & of(x3,x1) & n_male(x1) & Actor(e1,x1) & v_sit(e1) & n_man(x1) & of(x1,x2) & n_shoeshine(x2))
exists p1 x1 x2 x3 x4.(on(x1,x3) & n_break(x3) & of(x3,x4) & n_lunch(x4) & of(x3,x1) & n_male(x1) & n_man(x1) & of(x1,x2) & n_shoeshine(x2))