A dark-skinned child blowing some bubbles using his mouth.
A small African American boy plays with bubble soap in the yard.
African American can not always be determined by just dark skin.  a Boy plays blowing bubbles in the yard does not mean this is the child's home.
exists e1 e2 s1 x1 x2 x3 x4.(a_topic(x1) & for(e1,e2) & Theme(e2,x4) & Actor(e2,x2) & v_use(e2) & n_mouth(x4) & of(x4,x1) & n_male(x1) & Theme(e1,x3) & Actor(e1,x2) & v_blow(e1) & n_bubble(x3) & (x1 = x2) & n_child(x1) & a_dark-skinned(s1) & Theme(s1,x1))
exists e1 s1 s2 s3 s4 x1 x2 x3.(n_yard(x3) & in(e1,x3) & with(e1,x2) & n_soap(x2) & a_bubble(s4) & Theme(s4,x2) & Actor(e1,x1) & v_play(e1) & n_boy(x1) & a_american(s3) & Theme(s3,x1) & a_african(s2) & Theme(s2,x1) & a_small(s1) & Theme(s1,x1))