A woman and a child are walking on a beach.
The child is the woman's daughter.
Not all children are the woman's daughter.
exists e1 x1 x2 x3 x4.(on(e1,x4) & n_beach(x4) & Actor(e1,x1) & v_walk(e1) & subset_of(x3,x1) & n_child(x3) & subset_of(x2,x1) & n_woman(x2))
exists p1 x1 x2 x3.(n_daughter(x3) & of(x3,x2) & n_woman(x2) & n_child(x1) & (x1 = x3))