A small child points at a moped.
A small child points at a bicycle.
A moped and a bicycle are two different types of vehicle.
exists s1 x1 x2 x3.(a_topic(x1) & at(x1,x3) & n_mope(x3) & n_point(x1) & of(x1,x2) & n_child(x2) & a_small(s1) & Theme(s1,x1))
exists s1 x1 x2 x3.(a_topic(x1) & at(x1,x3) & n_bicycle(x3) & n_point(x1) & of(x1,x2) & n_child(x2) & a_small(s1) & Theme(s1,x1))