A baby boy in a blue and white striped shirt is sitting on his mother's shoulders.
A baby boy and his mother are together.
The fact that the baby boy is sitting on his mother's shoulders implies he is with his mother.
exists e1 s1 s2 s3 x1 x2 x3 x4 x5.(on(e1,x5) & n_shoulder(x5) & of(x5,x4) & n_mother(x4) & of(x4,x1) & n_male(x1) & Actor(e1,x1) & v_sit(e1) & in(x1,x3) & n_shirt(x3) & a_striped(s3) & Theme(s3,x3) & a_white(s2) & Theme(s2,x3) & a_blue(s1) & Theme(s1,x3) & n_boy(x1) & of(x1,x2) & n_baby(x2))
exists s1 x1 x2 x3 x4.(Theme(s1,x1) & a_together(s1) & subset_of(x4,x1) & n_mother(x4) & of(x4,x2) & n_male(x2) & subset_of(x2,x1) & n_boy(x2) & of(x2,x3) & n_baby(x3))