A group of guys gathered and drinking at a bar.
Men drinking beer together.
Drinking at a bar doesn't imply drinking beer.
exists e1 x1 x2 x3 x4 x5 x6.(a_topic(x1) & of(x1,x2) & subset_of(x5,x2) & at(x5,x6) & n_bar(x6) & n_drinking(x5) & subset_of(x3,x2) & Theme(e1,x4) & v_gather(e1) & (x3 = x4) & n_guy(x3) & n_group(x1))
exists x1 x2 x3.(a_topic(x1) & r_together(x1) & n_beer(x1) & of(x1,x3) & n_drinking(x3) & of(x1,x2) & n_man(x2))