Question: Albert couldn't stop her."
John can stop her.
OPTIONS:
- yes
- it is not possible to tell
- no

Answer: it is not possible to tell

Question: Tommy shook his head, and said dully: "It accounts for the stitches being new.
The stitches were actually new because there had been a sale on thread.
OPTIONS:
- yes
- it is not possible to tell
- no

Answer: it is not possible to tell

Question: But you could find out?
You definitely cannot find out.
OPTIONS:
- yes
- it is not possible to tell
- no

Answer:
no