Some toddlers are playing in a foam playpen.
Some small children are in the playpen.
Toddlers are small children.
exists e1 x1 x2 x3.(in(e1,x2) & n_playpen(x2) & of(x2,x3) & n_foam(x3) & Actor(e1,x1) & v_play(e1) & n_toddler(x1))
exists p1 s1 x1 x2.(n_playpen(x2) & in(x1,x2) & n_child(x1) & a_small(s1) & Theme(s1,x1))