A group of people at a table with glasses of beer smiling.
a group smiling
Both involve a group smiling, the first sentence just has more details.
exists x1 x2 x3 x4 x5 x6.(a_topic(x1) & of(x1,x2) & with(x2,x4) & of(x4,x5) & n_smile(x5) & of(x5,x6) & n_beer(x6) & n_glass(x4) & at(x2,x3) & n_table(x3) & n_people(x2) & n_group(x1))
exists e1 x1 x2.(a_topic(x1) & Actor(e1,x2) & v_smile(e1) & (x1 = x2) & n_group(x1))