Question: As to the sleeping powders, I knew by this." He suddenly produced a small cardboard box, such as chemists use for powders.
He knew about the sleeping powder because of the chemists' box.

Answer: yes

Question: At the heart of the n ew church, however, are the remains of churches from the fourth, fifth, and 12th centuries.
The new church is entirely original.

Answer: no

Question: But it has, you know, really it has." He smiled again in his tired way, and continued reflectively.
While reflecting on his relationship gone bad, he smiled in a tired way and said "but it has, you know, really it has."

Answer:
it is not possible to tell