Company parking spaces (CEO, President, VP, Secretary, Treasurer) with colored cars (yellow, green, purple, red, blue). Rules: First space red; Blue between red and green; Last space purple; Secretary drives yellow; Alice next to David; Enid drives green; Bert between Cheryl and Enid; David in last space.

Question: Who is the CEO?
Options:
A. Alice, B. Bert, C. Cheryl, D. David, E. Enid
Answer: "C"