dim as an ember

"Is this because..." Yelena started, knowing she would end up regretting the words that would come out of her mouth. "Is it because of the girl in Berlin?"
"The impostor, you mean?" Anastasia corrected, so sure of it, and yet. She paused, thinking for a moment, and nodded. "Yes. If only I could talk with... I don't know, maybe Anastasia has an aunt or an uncle or something... But if I could talk with them..."
This was her cue, wasn't it? This was were Yelena should play puppet master, slowly inch Anastasia close to the realization she could go to Berlin, speak with Olga and Xenia Alexandrovna, and notice that the real Anastasia was herself.