Smiling toddler wearing a blue shirt smiles while sitting on a swing set.
An old man is swinging a bat.
A toddler and an old man are two different people, and neither can be on a swing set while simultaneously swinging a bat
exists e1 e4 e2 e3 s1 x1 x2 x3 x4 x5.(while(e3,e4) & on(e4,x4) & n_set(x4) & of(x4,x5) & n_swing(x5) & Actor(e4,x1) & v_sit(e4) & Actor(e3,x1) & v_smile(e3) & Theme(e2,x3) & Actor(e2,x2) & v_wear(e2) & n_shirt(x3) & a_blue(s1) & Theme(s1,x3) & (x1 = x2) & n_toddler(x1) & Actor(e1,x1) & v_smile(e1))
exists e1 s1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_swing(e1) & n_bat(x2) & n_man(x1) & a_old(s1) & Theme(s1,x1))