A little child with a red cap and a duck are in the grass.
A child wearing a blue helmet feeds a bird.
A little child with a red cap and a duck are in the grass instead of wearing a blue helmet and who feeds a bird.
exists p1 s1 s2 x1 x2 x3 x4 x5.(n_grass(x5) & in(x1,x5) & with(x1,x2) & subset_of(x4,x2) & n_duck(x4) & subset_of(x3,x2) & n_cap(x3) & a_red(s2) & Theme(s2,x3) & n_child(x1) & a_little(s1) & Theme(s1,x1))
exists e1 e2 s1 x1 x2 x3 x4.(Theme(e2,x4) & Actor(e2,x1) & v_feed(e2) & n_bird(x4) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & n_helmet(x3) & a_blue(s1) & Theme(s1,x3) & (x1 = x2) & n_child(x1))