A violinist practices in front of an empty performance hall.
The hall is dimmly lit.
Just because a violinist practices in front of an empty performance hall is not necessarily dimmly lit.
exists s1 x1 x2 x3 x4 x5.(a_topic(x1) & in(x1,x3) & of(x3,x4) & n_hall(x4) & of(x4,x5) & n_performance(x5) & a_empty(s1) & Theme(s1,x4) & n_front(x3) & n_practice(x1) & of(x1,x2) & n_violinist(x2))
exists p1 s1 x1.(n_hall(x1) & a_dimmly(s1) & Manner(p1,s1) & exists x2.((x1 = x2) & n_lit(x2)))