An older woman wearing a brown shirt gives a presentation.
A woman gives a very long presentation.
just because a woman is giving a presentation doesn't mean it is a very long presentation.
exists e2 e1 s1 s2 x1 x2 x3 x4.(Theme(e2,x4) & Actor(e2,x1) & v_give(e2) & n_presentation(x4) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & n_shirt(x3) & a_brown(s2) & Theme(s2,x3) & (x1 = x2) & n_woman(x1) & r_more(s1) & a_older(s1) & Theme(s1,x1))
exists e1 s1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_give(e1) & n_presentation(x2) & a_long(s1) & Theme(s1,x2) & r_very(x2) & n_woman(x1))