A toddler walks along a fence.
A toddler is wearing a white shirt.
The toddler might not be wearing a white shirt.
exists e1 x1 x2.(along(e1,x2) & n_fence(x2) & Actor(e1,x1) & v_walk(e1) & n_toddler(x1))
exists e1 s1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_wear(e1) & n_shirt(x2) & a_white(s1) & Theme(s1,x2) & n_toddler(x1))