A female is singing into a microphone during an outdoor rock band concert.
A lady is singing her favorite song.
When a woman sings, she is not always singing her favorite song.
exists e1 s1 x1 x2 x3 x4 x5.(during(e1,x3) & n_concert(x3) & of(x3,x5) & n_band(x5) & of(x3,x4) & n_rock(x4) & a_outdoor(s1) & Theme(s1,x3) & into(e1,x2) & n_microphone(x2) & Actor(e1,x1) & v_sing(e1) & n_female(x1))
exists e1 s1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_sing(e1) & n_song(x2) & a_favorite(s1) & Theme(s1,x2) & of(x2,x1) & n_female(x1) & n_lady(x1))