the young children are petting a piglet
Children pet a pig.
TEH PIG IS A PIGLET.
exists e1 s1 x1 x2.(n_child(x1) & a_young(s1) & Theme(s1,x1) & Theme(e1,x2) & Actor(e1,x1) & v_pet(e1) & n_piglet(x2))
all x1.(n_pig(x1) -> exists x2 x3.(a_topic(x2) & for(x2,x1) & n_pet(x2) & (x2 = x3) & ne_nam_children(x3)))