A woman wearing gray and a boy wearing a white shirt playing with toys on the ground.
A lady is playing with her grandson.
We don't know that the woman is with her grandson.
exists e1 e2 s1 s2 x1 x2 x3 x4 x5 x6.(n_ground(x6) & Theme(e2,x3) & Actor(e2,x2) & v_wear(e2) & on(x3,x6) & with(x3,x5) & n_toy(x5) & n_playing(x3) & of(x3,x4) & n_shirt(x4) & a_white(s2) & Theme(s2,x3) & n_boy(x2) & a_gray(s1) & Manner(e1,s1) & Actor(e1,x1) & v_wear(e1) & n_woman(x1))
exists e1 x1 x2.(with(e1,x2) & n_grandson(x2) & of(x2,x1) & n_female(x1) & Actor(e1,x1) & v_play(e1) & n_lady(x1))