A lady is giving a presentation to an all-female class.
A well-known business executive is giving a lecture to women on gender discrimination.
The presentation doesn't have to be on discrimination.
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 s1 x1 x2 x3 x4 x5 x6.(to(e1,x4) & on(x4,x5) & n_discrimination(x5) & of(x5,x6) & n_gender(x6) & n_woman(x4) & Theme(e1,x3) & Actor(e1,x1) & v_give(e1) & n_lecture(x3) & n_executive(x1) & of(x1,x2) & n_business(x2) & a_well-known(s1) & Theme(s1,x1))