Street musicians working for money to survive.
Street musicians happily working
Just because  Street musicians working for money to survive does not mean they are working happily.
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 e1 s1 x1 x2 x3.(a_topic(x1) & a_happily(s1) & Manner(e1,s1) & Actor(e1,x3) & v_work(e1) & (x1 = x3) & n_musician(x1) & (x1 = x2) & ne_per_street(x2))