A man is tying his shoe lace.
A man is lacing up his shoes.
Tying a shoe lace is performed by lacing up the shoes.
exists e1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_tie(e1) & n_lace(x2) & of(x2,x3) & n_shoe(x3) & of(x2,x1) & n_male(x1) & n_man(x1))
exists e1 s1 x1 x2.(a_up(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_lace(e1) & n_shoe(x2) & of(x2,x1) & n_male(x1) & n_man(x1))