In the questions given below, certain symbols are used with the following meanings: A @ B means A is greater than B. A * B means A is either greater than or equal to B. A # B means A is equal to B. A $ B means A is either smaller than or equal to B. A + B means A is smaller than B. Now in each of the following questions, assuming the given statements to be true, find which of the two conclusions I and II given below them is/are definitely true?