A man and woman sharing a laugh at the dinner table.
A man sitting alone in a restaurant.
Sitting alone and sharing are different.
exists e1 s1 x1 x2 x3 x4 x5 x6.(n_table(x5) & of(x5,x6) & n_dinner(x6) & a_topic(s1) & at(e1,x5) & Theme(e1,x4) & Actor(e1,x3) & v_share(e1) & n_laugh(x4) & (s1 = x3) & n_woman(x2) & n_man(x1) & subset_of(x2,s1) & subset_of(x1,s1))
exists e1 p1 x1 x2 x3.(a_topic(x1) & in(e1,x3) & n_restaurant(x3) & exists s1.(Theme(s1,x2) & a_alone(s1)) & Topic(e1,p1) & Actor(e1,x2) & v_sit(e1) & (x1 = x2) & n_man(x1))