A woman wearing a blue shirt opens a present, which is a green hat.
A person in a blue top unwrapping a present of a green hat.
A blue shirt is more specific than a blue top, a woman is a person who opens a present by unwrapping it.
exists e1 e2 p1 s1 x1 x2 x3 x4 x5.(Theme(e2,x4) & Actor(e2,x1) & v_open(e2) & exists s2 x6.((x5 = x6) & n_hat(x6) & a_green(s2) & Theme(s2,x6)) & (x4 = x5) & n_present(x4) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & n_shirt(x3) & a_blue(s1) & Theme(s1,x3) & (x1 = x2) & n_woman(x1))
exists e1 s1 s2 x1 x2 x3 x4 x5.(a_topic(x1) & Theme(e1,x4) & Actor(e1,x3) & v_unwrap(e1) & of(x4,x5) & n_hat(x5) & a_green(s2) & Theme(s2,x5) & n_present(x4) & (x1 = x3) & in(x1,x2) & n_top(x2) & a_blue(s1) & Theme(s1,x2) & n_person(x1))