An old lady is wearing a lampshade as a had while wrapping presents for Christmas.
A woman is wrapping birthday presents wearing a baseball cap.
A person is wrapping Birthday and Christmas presents which are not the same holiday.  A person cannot wear a lampshade and a baseball cap at the same time.
exists e1 p1 s1 x1 x2 x5.(ne_tim_christmas(x5) & exists e2 e3 x3 x4.(while(e2,e3) & for(e3,x5) & Theme(e3,x4) & Actor(e3,x3) & v_wrap(e3) & n_present(x4) & Actor(e2,x3) & v_have(e2) & n_a(x3)) & as(e1,p1) & Theme(e1,x2) & Actor(e1,x1) & v_wear(e1) & n_lampshade(x2) & n_lady(x1) & a_old(s1) & Theme(s1,x1))
exists e1 e2 x1 x2 x3 x4 x5 x6.(Theme(e2,x2) & Actor(e2,x1) & v_wrap(e2) & Theme(e1,x5) & Actor(e1,x4) & v_wear(e1) & n_cap(x5) & of(x5,x6) & n_baseball(x6) & (x2 = x4) & n_present(x2) & of(x2,x3) & n_birthday(x3) & n_woman(x1))