Street musicians working for money to survive.
Street musicians not working
not working explicitly contradicts working. not means in abscence.
exists e1 p1 x1 x2 x3 x4 x5.(Topic(e1,p1) & exists e2.(Actor(e2,x1) & v_survive(e2)) & for(e1,x5) & n_money(x5) & Actor(e1,x3) & v_work(e1) & n_musician(x3) & (x3 = x4) & ne_per_street(x4) & n_musician(x1) & (x1 = x2) & ne_per_street(x2))
exists x1 x2 x3.(a_topic(x1) & -exists e1.(Actor(e1,x3) & v_work(e1)) & (x1 = x3) & n_musician(x1) & (x1 = x2) & ne_per_street(x2))