Boy in red vest and blue and white trunks on wakeboard.
A boy on a wakeboard in a lake.
Boy in red vest and blue and white trunks on wakeboard does not imply he n a wakeboard in a lake
exists s1 s2 s3 s4 x1 x2 x3.(ne_nam_boy(s1) & a_topic(s1) & in(s1,x1) & on(x1,x3) & n_wakeboard(x3) & n_trunk(x1) & a_white(s4) & Theme(s4,x1) & a_blue(s3) & Theme(s3,x1) & of(x1,x2) & n_vest(x2) & a_red(s2) & Theme(s2,x1))
exists x1 x2 x3.(a_topic(x1) & on(x1,x2) & in(x2,x3) & n_lake(x3) & n_wakeboard(x2) & n_boy(x1))