A Mariachi band is playing on a city street.
A lone violinist is playing under a bridge.
city street and bridge are different places
exists e1 x1 x2 x3 x4.(on(e1,x3) & n_street(x3) & of(x3,x4) & n_city(x4) & Actor(e1,x1) & v_play(e1) & n_band(x1) & (x1 = x2) & ne_nam_mariachi(x2))
exists e1 s1 x1 x2.(under(e1,x2) & n_bridge(x2) & Actor(e1,x1) & v_play(e1) & n_violinist(x1) & a_lone(s1) & Theme(s1,x1))