Explanation:

Let's break down the options:

- Option 1: Culpable homicide

- This is an act that results in someone's death but does not amount to murder. It involves intention or knowledge that the act can cause death.

- Option 2: Murder

- This is the intentional and unlawful killing of another person. It involves a clear intent to kill or cause serious harm.

- Option 3: The offence of causing death by negligence

- This is an act that causes death through gross negligence or recklessness, without intent to kill.

- Option 4: No offence

- This suggests that the act was not punishable under the law. In situations of extreme necessity, like survival, it might be argued that the act was unavoidable.

Considering the scenario, X acted out of necessity in a life-threatening situation. The law sometimes provides a defense of necessity in such dire circumstances.

Correct Answer: ?? Option 4 - No offence