Girls sitting on a fence eating ice cream.
The girls are eating cake on the fence.
Ice cream and cake are two different types of food.
exists e1 e2 x1 x2 x3 x4.(ne_nam_girls(x1) & for(e1,e2) & Theme(e2,x3) & Actor(e2,x1) & v_eat(e2) & n_cream(x3) & of(x3,x4) & n_ice(x4) & on(e1,x2) & n_fence(x2) & Actor(e1,x1) & v_sit(e1))
exists e1 x1 x2 x3.(n_fence(x3) & n_girl(x1) & on(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_eat(e1) & n_cake(x2))