Question: I know nothing about her," said Jon.
Jon doesn't know anything about the woman he pines over.

Answer: it is not possible to tell

Question: Scores of architects worked on the church from the 13th to the 17th centuries (its central bronze doors were added in 1964), but its glory remains the gleaming facade (its mosaics were a 17th-century addition), with its four slender spired pilasters and its rosewindow above the beautifully scrolled porches.
The bronze doors added in 1964 replaced wooden doors.

Answer: it is not possible to tell

Question: Well, we wouldn't mind hearing her back history, said Tuppence guardedly.
Tuppence had no desire to hear her story.

Answer:
no