A lady is giving a presentation to an all-female class.
A business woman is giving a presentation to her brothers.
All-females is different than brothers.
exists e1 s1 x1 x2 x3.(to(e1,x3) & n_class(x3) & a_all-female(s1) & Theme(s1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_give(e1) & n_presentation(x2) & n_lady(x1))
exists e1 x1 x2 x3 x4.(to(e1,x4) & n_brother(x4) & of(x4,x1) & n_female(x1) & Theme(e1,x3) & Actor(e1,x1) & v_give(e1) & n_presentation(x3) & n_woman(x1) & of(x1,x2) & n_business(x2))