A bird soars with wings spread.
A bird has it's wings spread.
A bird can only soar if it's wings are spread.
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.(Theme(e1,x2) & Actor(e1,x1) & v_have(e1) & n_spread(x2) & of(x2,x3) & n_wing(x3) & of(x2,x1) & n_thing(x1) & n_bird(x1))