A Caucasian man is teaching a class in Asia.
The woman is talking to the children.
either it is a man or a woman
exists e1 s1 x1 x2 x3.(ne_geo_asia(x3) & Theme(e1,x2) & Actor(e1,x1) & v_teach(e1) & in(x2,x3) & n_class(x2) & n_man(x1) & a_caucasian(s1) & Theme(s1,x1))
exists e1 x1 x2.(n_child(x2) & n_woman(x1) & to(e1,x2) & Actor(e1,x1) & v_talk(e1))