A toddler is in a green playpen.
The toddler is in the bathtub.
The toddler cannot be in the playpen at the same time as they are in the bathtub.
exists p1 x1.(exists s1 x2.(in(x1,x2) & n_playpen(x2) & a_green(s1) & Theme(s1,x2)) & n_toddler(x1))
exists p1 x1 x2.(n_bathtub(x2) & n_toddler(x1) & in(x1,x2))