A group of people sitting down and walking around a large rock park.
A child is napping.
One cannot simultaneously be a napping child and a group of sitting and walking people.
exists e2 e1 s1 s2 x1 x2 x3 x4 x5 x6.(a_topic(x1) & around(e2,x5) & n_park(x5) & of(x5,x6) & n_rock(x6) & a_large(s2) & Theme(s2,x5) & Actor(e2,x4) & v_walk(e2) & (x1 = x4) & a_down(s1) & Manner(e1,s1) & Actor(e1,x3) & v_sit(e1) & (x1 = x3) & of(x1,x2) & n_people(x2) & n_group(x1))
exists e1 x1.(Actor(e1,x1) & v_nap(e1) & n_child(x1))