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I want to know which word does "they" refer to, in the following statements. The question rises because the subject in the beginning sentence is "someone" which is in singular form. The Statements are as follows:
Simply this: When someone discounts the idea that the whole block universe really exists, and insists instead that it is only what is happening right now that exists, presumably they mean to include what is happening right now in locations other than where they themselves happen to be.