A man wearing a backpack tying his shoe on a hiking trail.
The man is tying his shoe on the bus.
The setting of one is a bus, while the setting of the other is a hiking trail.
exists e1 e2 x1 x2 x3 x4 x5 x6 x7.(a_topic(x1) & Theme(e2,x3) & Actor(e2,x2) & v_wear(e2) & on(e1,x6) & n_trail(x6) & of(x6,x7) & n_hiking(x7) & Theme(e1,x5) & Actor(e1,x4) & v_tie(e1) & n_shoe(x5) & of(x5,x1) & n_male(x1) & (x3 = x4) & n_backpack(x3) & (x1 = x2) & n_man(x1))
exists e1 x1 x2 x3.(n_bus(x3) & n_shoe(x2) & of(x2,x1) & n_male(x1) & n_man(x1) & Theme(e1,x2) & Actor(e1,x1) & v_tie(e1) & on(x2,x3))