Scenario 2 consists of two parts, Scenario 2A and Scenario 2B.  You 
should be able to load "Scenario 2" which is BOTH Scenario 2A and 2B,
or you should me able to load only one of the parts.  For example, if I
ask you to load the complete scenario 2, I might then ask you to generate
a cross certificate between SclySprckts and Quarry, or Barney Rubble may
quit his job for the Bedrock Government and become employed by Cogswell
Cogs.