[plt-scheme] htdp 14.3.4

http://www.htdp.org/2003-09-26/Book/curriculum-Z-H-19.html#node_sec_14.3

It is not clear to me whether the requirement is to code a solution to cater 
for complex pages like the one in the example

Here is a complex page:

'(The TeachScheme Web Page
  Here you can find:
  (LectureNotes for Teachers)
  (Guidance for (DrScheme: a Scheme programming environment))
  (Exercise Sets)
  (Solutions for Exercises)
  For further information: write to scheme at cs)