A woman is playing a keyboard while singing into a microphone.
the crowd sang along
Just because a woman sings into a microphone does not mean the crowd sang along.
exists e1 e2 x1 x2 x3.(while(e1,e2) & into(e2,x3) & n_microphone(x3) & Actor(e2,x1) & v_sing(e2) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_keyboard(x2) & n_woman(x1))
exists e1 s1 x1.(n_crowd(x1) & a_along(s1) & Manner(e1,s1) & Actor(e1,x1) & v_sing(e1))