An gymnast is working the bar.
A gymnast is working at a new sport bar.
Not every bar is a sport bar, there are many other types of bars.
exists e1 x1 x2.(n_bar(x2) & Theme(e1,x2) & Actor(e1,x1) & v_work(e1) & n_gymnast(x1))
exists e1 s1 x1 x2 x3.(at(e1,x2) & n_bar(x2) & of(x2,x3) & n_sport(x3) & a_new(s1) & Theme(s1,x2) & Actor(e1,x1) & v_work(e1) & n_gymnast(x1))