The small boy is running and smiling.
A toddler boy is laughing outside.
Running does not necessarily have to be done outside.
exists e2 e1 s1 s2 x1.(n_boy(x1) & a_small(s2) & Theme(s2,x1) & a_small(s1) & Theme(s1,x1) & Actor(e2,x1) & v_smile(e2) & Actor(e1,x1) & v_run(e1))
exists e1 s1 x1 x2.(a_outside(s1) & Manner(e1,s1) & Actor(e1,x1) & v_laugh(e1) & n_boy(x1) & of(x1,x2) & n_toddler(x2))