The children are playing outdoors, while a man smiles nearby.
The man is watching the children.
Children are playing outside while a man is watching the children nearby.
exists e1 p1 x1 x2.(n_child(x1) & exists e2 s1 x3.(a_nearby(s1) & Manner(e2,s1) & Actor(e2,x3) & v_smile(e2) & n_man(x3)) & while(e1,p1) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_outdoors(x2))
exists e1 x1 x2.(n_child(x2) & n_man(x1) & Theme(e1,x2) & Actor(e1,x1) & v_watch(e1))