A woman singing into a microphone and playing guitar at an event.
A woman singing on stage
Being at an event and singing implies singing on stage.
exists e1 x1 x2 x3 x4 x5 x6 x7.(a_topic(x1) & at(e1,x7) & n_event(x7) & into(e1,x3) & n_guitar(x5) & of(x5,x6) & n_playing(x6) & n_microphone(x4) & subset_of(x5,x3) & subset_of(x4,x3) & Actor(e1,x2) & v_sing(e1) & (x1 = x2) & n_woman(x1))
exists e1 x1 x2 x3.(a_topic(x1) & on(e1,x3) & n_stage(x3) & Actor(e1,x2) & v_sing(e1) & (x1 = x2) & n_woman(x1))