Boy with dark skin, standing on his head with legs spread, at the end of a floating wooden boat.
A boy play on a raft.
The wooden boat isn't necessarily a raft and what he is doing isn't necessarily play.
exists e2 e1 s1 s2 s3 x1 x2 x3 x4 x5 x6 x7.(n_end(x6) & ne_nam_boy(x1) & at(e1,x6) & of(x6,x7) & n_boat(x7) & a_wooden(s3) & Theme(s3,x7) & a_floating(s2) & Theme(s2,x7) & with(e1,x4) & Theme(e2,x5) & v_spread(e2) & (x4 = x5) & n_leg(x4) & on(e1,x3) & n_head(x3) & of(x3,x2) & n_male(x2) & Actor(e1,x1) & v_stand(e1) & with(x1,x2) & n_skin(x2) & a_dark(s1) & Theme(s1,x2))
exists x1 x2 x3.(a_topic(x1) & on(x1,x3) & n_raft(x3) & n_play(x1) & of(x1,x2) & n_boy(x2))