A child in a black overall karate costume with a red front and yellow bird on it, attacking.
The child is sparing with his friend.
Practicing karate can be done with people who aren't your friend.
exists e1 s1 s2 s3 s4 x1 x2 x3 x4 x5 x6 x7.(a_topic(x1) & in(x1,x2) & with(x2,x4) & subset_of(x6,x4) & Actor(e1,x7) & v_attack(e1) & (x6 = x7) & on(x6,x1) & n_thing(x1) & n_bird(x6) & a_yellow(s4) & Theme(s4,x6) & subset_of(x5,x4) & n_front(x5) & a_red(s3) & Theme(s3,x5) & n_costume(x2) & of(x2,x3) & n_karate(x3) & a_overall(s2) & Theme(s2,x2) & a_black(s1) & Theme(s1,x2) & n_child(x1))
exists e1 x1 x2.(n_friend(x2) & of(x2,x1) & n_male(x1) & n_child(x1) & with(e1,x2) & Actor(e1,x1) & v_spare(e1))