A man tying his shoe in the forest.
A man is tying his shoe.
Both sentences are referring to man tying his shoe
exists e1 x1 x2 x3 x4.(n_forest(x4) & a_topic(x1) & in(e1,x4) & Theme(e1,x3) & Actor(e1,x2) & v_tie(e1) & n_shoe(x3) & of(x3,x1) & n_male(x1) & (x1 = x2) & n_man(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_tie(e1) & n_shoe(x2) & of(x2,x1) & n_male(x1) & n_man(x1))