a. Express the quantified statement in an equivalent way, that is, in a way that has exactly the same meaning. b. Write the negation of the quantified statement. (The negation should begin with "all," "some," or "no.") All playing cards are black. a. Which of the following expresses the quantified statement in an equivalent way? O A. There are no playing cards that are not black. O B. At least one playing card is black. O C. Not all playing cards are black. O D. All playing cards are not black. b. Which of the following is the negation of the quantified statement? O A. No playing cards are black. O B. Some playing cards are not black. O C. All playing cards are not black. O D. Some playing cards are black