A group of children buying ice cream from a truck at night.
The kids are robbing the ice cream truck.
If the children are buying ice cream, they are most likely not robbing the ice cream truck.
exists e1 x1 x2 x3 x4 x5 x6 x7.(a_topic(x1) & at(e1,x7) & n_night(x7) & from(e1,x6) & n_truck(x6) & Theme(e1,x4) & Actor(e1,x3) & v_buy(e1) & n_cream(x4) & of(x4,x5) & n_ice(x5) & (x1 = x3) & of(x1,x2) & n_child(x2) & n_group(x1))
exists e1 x1 x2 x3 x4.(n_truck(x2) & of(x2,x4) & n_cream(x4) & of(x2,x3) & n_ice(x3) & n_kid(x1) & Theme(e1,x2) & Actor(e1,x1) & v_rob(e1))