Children sitting in a canoe on a quiet lake.
the children are on camp
The children could be at home on their own lake and not on a camp.
exists e1 s1 x1 x2 x3 x4.(a_topic(x1) & on(e1,x4) & n_lake(x4) & a_quiet(s1) & Theme(s1,x4) & in(e1,x3) & n_canoe(x3) & Actor(e1,x2) & v_sit(e1) & (x1 = x2) & n_child(x1))
exists p1 x1.(n_child(x1) & exists x2.(on(x1,x2) & n_camp(x2)))