A young woman sings into a microphone.
A young woman sings at the performance of her lifetime.
Sings in to a microphone does not imply it is a the performance of her lifetime.
exists s1 x1 x2 x3.(a_topic(x1) & into(x1,x3) & n_microphone(x3) & n_sing(x1) & of(x1,x2) & n_woman(x2) & a_young(s1) & Theme(s1,x1))
exists s1 x1 x2 x3 x4.(n_lifetime(x4) & of(x4,x3) & n_female(x3) & n_performance(x3) & a_topic(x1) & at(x1,x3) & of(x3,x4) & n_sing(x1) & of(x1,x2) & n_woman(x2) & a_young(s1) & Theme(s1,x1))