Maureen draws five cards from a standard deck: the 6 of diamonds, 7 of diamonds, 8 of

Question:

Maureen draws five cards from a standard deck: the 6 of diamonds, 7 of diamonds, 8 of diamonds, jack of hearts, and king of spades. She discards the jack and king and then draws two cards from the remaining 47. What is the probability Maureen finishes with.
(a) A straight flush.
(b) A flush (but not a straight flush).
(c) A straight (but not a straight flush)?