Someone sitting in the tree in the dark.
A young man sitting in a tree while the sun is shining.
Someone sitting in the tree in the dark or while the sun is shining
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 s1 x1 x2 x3 x4.(n_sun(x4) & a_topic(x1) & exists e2.(Actor(e2,x4) & v_shine(e2)) & while(e1,p1) & in(e1,x3) & n_tree(x3) & Actor(e1,x2) & v_sit(e1) & (x1 = x2) & n_man(x1) & a_young(s1) & Theme(s1,x1))