A woman gives a lecture inside of a class.
female taking class
Gives a lecture does not imply taking a class.
exists e1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_give(e1) & of(x2,x3) & n_class(x3) & r_inside(x2) & n_lecture(x2) & n_woman(x1))
exists s1 x1 x2.(n_class(x1) & of(x1,x2) & n_taking(x2) & a_female(s1) & Theme(s1,x1) & a_topic(x1))