Groups of men sit at banquet tables.
Groups of men are sitting at tables.
Banquet tables are tables.Sit implies they are sitting.
exists e1 x1 x2 x3 x4.(at(e1,x3) & n_table(x3) & of(x3,x4) & n_banquet(x4) & Actor(e1,x1) & v_sit(e1) & of(x1,x2) & n_man(x2) & n_group(x1))
exists e1 x1 x2 x3.(at(e1,x3) & n_table(x3) & Actor(e1,x1) & v_sit(e1) & of(x1,x2) & n_man(x2) & n_group(x1))