(list 'a 'b 'c) -> (a b c)
(list (list 'george)) -> ((george))
(cdr '((x1 x2) (y1 y2))) -> ((y1 y2))
(cadr '((x1 x2) (y1 y2))) -> (y1 y2)
(pair? (car '(a short list))) -> #f
(memq 'red '((red shoes) (blue socks))) -> #f
(memq 'red '(red shoes blue socks)) -> (red shoes blue socks)