context: The author previously had translated existing works and wrote her own books, including novels.
source: The author conducted interviews, including of Kawashima's relatives who were still alive.
reference_original: L'autrice aveva fatto delle interviste, tra cui quella ai parenti superstiti di Kawashima.
reference_flipped: L'autore aveva fatto delle interviste, tra cui quella ai parenti superstiti di Kawashima.