There is a person wearing a coat and jeans climbing stairs.
A person is walking
That the person is walking is not understood as he is climbing stairs.
exists p1 x1 e1 e2 x2 x3 x4 x5 x6 x7 x8.((x1 = x2) & Theme(e2,x4) & Actor(e2,x3) & v_wear(e2) & subset_of(x6,x4) & Theme(e1,x8) & Actor(e1,x7) & v_climb(e1) & n_stair(x8) & (x6 = x7) & n_jeans(x6) & subset_of(x5,x4) & n_coat(x5) & (x2 = x3) & n_person(x2))
exists e1 x1.(Actor(e1,x1) & v_walk(e1) & n_person(x1))