A man with a coat is walking in front of a mural.
The man is walking.
"Walking in front of a mural" indicates walking.
exists e1 x1 x2 x3 x4.(in(e1,x3) & of(x3,x4) & n_mural(x4) & n_front(x3) & Actor(e1,x1) & v_walk(e1) & with(x1,x2) & n_coat(x2) & n_man(x1))
exists e1 x1.(n_man(x1) & Actor(e1,x1) & v_walk(e1))