A man and a woman are talking in a restaurant.
A man and woman converse.
Converse is a rephrasing for are talking.
exists e1 x1 x2 x3 x4.(in(e1,x4) & n_restaurant(x4) & Actor(e1,x1) & v_talk(e1) & subset_of(x3,x1) & n_woman(x3) & subset_of(x2,x1) & n_man(x2))
exists s1 x1 x2 x3.(a_topic(s1) & subset_of(x2,s1) & n_converse(x2) & of(x2,x3) & n_woman(x3) & subset_of(x1,s1) & n_man(x1))