Boy in red vest and blue and white trunks on wakeboard.
The wakeboard that the boy is on is red.
Boy in red vest and blue and white trunks on wakeboard. does not mean wakeboard is red
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 p1 s1 x1 x2.(Topic(x1,p1) & exists s2.(Theme(s2,x2) & a_on(s2)) & n_boy(x2) & n_wakeboard(x1) & Theme(s1,x1) & a_red(s1))