A. If 'A' is the effect and 'B' is its immediate and principle cause.
B. If 'B' is the effect and 'A' is its immediate and principle cause.
C. If 'A' is the effect but 'B' is not its immediate and principle cause.
D. None of these.
Feedback The given events are not related events as the place where Mr.X was killed and the place where it was raining heavily may or may not be the same.