- Gwenda Reed: Why didn't *we* think of that?
- Miss Jane Marple: Because you believed what he told you. It's very dangerous to believe people - I haven't for years.
- Miss Jane Marple: There's always possibility of X.
- Gwenda Reed: X?
- Giles Reed: X?
- Miss Jane Marple: The unknown factor... someone who hasn't appeared yet but whose presence behind the facts can be deduced.
- Miss Jane Marple: Good advice is almost certain to be ignored, but that's no reason for not giving it.
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By what name was Miss Marple: Sleeping Murder (1987) officially released in Canada in English?
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