A girl is playing the violin in the street while her band mate on the guitar is talking on her cellphone with a confused look.
A girl is singing.
The girl can't be playing the violin and singing at the same time.
exists e1 p1 x1 x2 x3 x4 x5 x6 x7.(n_cellphone(x7) & of(x7,x2) & n_female(x2) & n_female(x2) & n_guitar(x6) & n_mate(x4) & of(x4,x5) & n_band(x5) & of(x4,x2) & n_street(x3) & n_violin(x2) & exists e2 s1 x8.(on(e2,x7) & with(x7,x8) & n_look(x8) & a_confused(s1) & Theme(s1,x8) & Actor(e2,x4) & v_talk(e2) & on(x4,x6)) & while(e1,p1) & in(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_girl(x1))
exists e1 x1.(Actor(e1,x1) & v_sing(e1) & n_girl(x1))