A small brown dog playing with bubbles in grass.
The brown dog is engaged in a pysical activity.
dog playing with bubbles in grass is same as dog is engaged in a pysical activity
exists s1 s2 x1 x2 x3 x4.(a_topic(x1) & in(x1,x4) & n_grass(x4) & with(x1,x3) & n_bubble(x3) & n_playing(x1) & of(x1,x2) & n_dog(x2) & a_brown(s2) & Theme(s2,x1) & a_small(s1) & Theme(s1,x1))
exists e1 s1 s2 x1 x2.(n_dog(x1) & a_brown(s1) & Theme(s1,x1) & in(e1,x2) & n_activity(x2) & a_pysical(s2) & Theme(s2,x2) & Theme(e1,x1) & v_engage(e1))