A little boy in blue is playing in a stream.
A boy is  playing outdoors.
A little boy in blue is a type of boy, and stream implies outdoors.
exists e1 s1 x1 x2 x3.(in(e1,x3) & n_stream(x3) & Actor(e1,x1) & v_play(e1) & in(x1,x2) & n_blue(x2) & n_boy(x1) & a_little(s1) & Theme(s1,x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_outdoors(x2) & n_boy(x1))