The little boy with the yellow and blue striped shirt is playing a board game with an adult.
The adult is the little boy's dad.
The little boy is playing a board game with an adult doesn't imply that the adult is the little boy's dad.
exists e1 s1 s2 s3 s4 x1 x2 x3 x4 x5.(n_shirt(x2) & a_striped(s4) & Theme(s4,x2) & a_blue(s3) & Theme(s3,x2) & a_yellow(s2) & Theme(s2,x2) & n_boy(x1) & a_little(s1) & Theme(s1,x1) & Theme(e1,x3) & Actor(e1,x1) & v_play(e1) & with(x3,x5) & n_adult(x5) & n_game(x3) & of(x3,x4) & n_board(x4) & with(x1,x2))
exists p1 s1 x1 x2 x3.(n_dad(x3) & of(x3,x2) & n_boy(x2) & a_little(s1) & Theme(s1,x2) & n_adult(x1) & (x1 = x3))