Boy in a blue shirt riding on a toy.
A kid is riding in a minivan.
either riding on a toy or riding in a minivan
exists s1 s2 x1 x2 x3.(ne_nam_boy(s1) & a_topic(s1) & in(s1,x1) & on(x1,x3) & n_toy(x3) & n_riding(x1) & of(x1,x2) & n_shirt(x2) & a_blue(s2) & Theme(s2,x1))
exists e1 x1 x2.(in(e1,x2) & n_minivan(x2) & Actor(e1,x1) & v_ride(e1) & n_kid(x1))