A group of men talking behind a truck.
There are at least 2 men behind the truck.
If there is a group, it is implied there are at least 2.
exists e1 x1 x2 x3 x4.(a_topic(x1) & of(x1,x2) & behind(e1,x4) & n_truck(x4) & Actor(e1,x3) & v_talk(e1) & (x2 = x3) & n_man(x2) & n_group(x1))
exists p1 x1 x2.(n_truck(x2) & behind(p1,x2) & exists s1 x3.(at(x1,x3) & r_most(s1) & a_least(s1) & Theme(s1,x3) & n_man(x3) & n_date(x3) & a_date_day_02(x3) & a_date_day_02(x3)))