A man and a woman play an accordion and violin on the sidewalk for tips from pedestrians.
Both of them are musicians.
People who play instruments like accordion and violin are musicians.
exists e1 x1 x2 x3 x4 x5 x6 x7 x8 x9.(n_sidewalk(x7) & for(e1,x8) & from(x8,x9) & n_pedestrian(x9) & n_tip(x8) & on(e1,x7) & Theme(e1,x4) & Actor(e1,x1) & v_play(e1) & n_violin(x6) & n_accordion(x5) & subset_of(x6,x4) & subset_of(x5,x4) & subset_of(x3,x1) & n_woman(x3) & subset_of(x2,x1) & n_man(x2))
exists p1 x1 x2.(n_thing(x2) & exists x3.((x1 = x3) & n_musician(x3)) & of(x1,x2) & n_thing(x1))