A couple converses at a table in a bar.
The man is holding a glass of beer.
A couple does not imply that there is a man. Being in a bar does not imply having beer or having beer in a glass.
exists e1 x1 x2 x3.(at(e1,x2) & in(x2,x3) & n_bar(x3) & n_table(x2) & Actor(e1,x1) & v_converse(e1) & n_couple(x1))
exists e1 x1 x2 x3.(n_man(x1) & Theme(e1,x2) & Actor(e1,x1) & v_hold(e1) & of(x2,x3) & n_beer(x3) & n_glass(x2))