a man and a lady drinking wine
There is a group of people drinking wine.
a man and a lady doesn't make a group of people who is drinking wine
exists s1 x1 x2 x3 x4.(a_topic(s1) & subset_of(x2,s1) & n_wine(x2) & of(x2,x4) & n_drinking(x4) & of(x2,x3) & n_lady(x3) & subset_of(x1,s1) & n_man(x1))
exists p1 x1 e1 x2 x3 x4 x5.((x1 = x2) & of(x2,x3) & Theme(e1,x5) & Actor(e1,x4) & v_drink(e1) & n_wine(x5) & (x3 = x4) & n_people(x3) & n_group(x2))