実行してみるだけ。
(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 (red shoes blue socks) ;; (red shoes blue socks)