Question 4 10 pts Let P be the set of people we\'re interested in (not necessari

Question

Question 4 10 pts Let P be the set of people we're interested in (not necessarily all people), Parent(p) mean p is a parent, and ParentOf(p1, p2) mean p1 is p2's parent. Consider the following statement: ?? ? ?, ?? ? ?, Parent(x) ParentOf(x, y) If you were attempting to prove this statement via the challenge method, how would the "game" proceed? (An "adversary" is an opponent.) O If I can choose an x so that my adversary cannot choose a y that makes the statement false, then the statement is true. Otherwise, it's false. If I can choose an x and a y that make the statement true, then the statement is true. Otherwise, t's false OIf my adversary cannot choose an x and a y that makes the statement false, then the statement is true. Otherwise, it's false If no matter what choice of x my adversary makes, I can choose a y that makes the statement true, then the statement is true. Otherwise, it's false. None of these is correctly describes the process, but there is a correct process. O None of these is correctly describes the process, and there is no correct process to prove this statement via the challenge method.

Explanation / Answer

If the adversary cannot chose an x and y such that the statement is false, then only the statement is true. Otherwise, it is false. Hence , it is the correct method of challenging. Therefore, part c is correct.

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