Someone sitting in the tree in the dark.
A person sitting outside at night.
Trees are outside and it is dark at night.
exists e1 x1 x2 x3 x4.(n_dark(x4) & n_tree(x3) & a_topic(x1) & in(e1,x4) & in(e1,x3) & Actor(e1,x2) & v_sit(e1) & (x1 = x2) & n_person(x1))
exists e1 p1 x1 x2 x3.(a_topic(x1) & at(e1,x3) & n_night(x3) & exists s1.(Theme(s1,x2) & a_outside(s1)) & Topic(e1,p1) & Actor(e1,x2) & v_sit(e1) & (x1 = x2) & n_person(x1))