A white boy and black boy embrace.
The white boy stood away from the black boy.
The two boys either stood away from one another or they embrace.
exists s1 s2 s3 x1 x2 x3.(a_topic(s1) & n_embrace(x2) & of(x2,x3) & n_boy(x3) & a_black(s3) & Theme(s3,x2) & n_boy(x1) & subset_of(x2,s1) & subset_of(x1,s1) & a_white(s2) & Theme(s2,s1))
exists e1 s1 s2 s3 x1.(n_boy(x1) & n_boy(x1) & a_black(s2) & Theme(s2,x1) & a_white(s1) & Theme(s1,x1) & a_away(s3) & Manner(e1,s3) & from(e1,x1) & Actor(e1,x1) & v_stand(e1))