A bird soars with wings spread.
A bird is standing on a tree branch.
A bird can't soar and be standing at the same time.
exists e2 e1 x1 x2 x3.(with(e1,x2) & Theme(e2,x3) & v_spread(e2) & (x2 = x3) & n_wing(x2) & Actor(e1,x1) & v_soar(e1) & n_bird(x1))
exists e1 x1 x2 x3.(on(e1,x2) & n_branch(x2) & of(x2,x3) & n_tree(x3) & Actor(e1,x1) & v_stand(e1) & n_bird(x1))