Poll: What came first? The Chicken or the Egg?

**SPOILERS AHEAD** The following films feature the Predestination paradox which arises from time travel. It can be of two types : (a) A causal loop, where two events separated by time are the cause of each other. (b) An ontological paradox, where an object or some information has no origin. Which of the following films do you think uses the Predestination paradox as a plot device in the most interesting manner? Discuss here.

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