(a) (5 points) What does the method above return if the input list is [ "a", "aa", "ab", "aa" ] and the parameter s is "aa"? Show your memory diagram. (b) (5 points) What does the method return if the input list is [ "a", "b", "c", "d"] and the parameter s is "e"? Show your memory diagram. (c) (Bonus 2 points) Describe, as precisely as you can, what the method does. (Give a one sentence "big picture" description of the method.)