Directions: Read the following information and answer the given question.
Spelunkers International offers exploring tours in eight caves: Abbott, Benny, Caeser, Dangerfield, Ewell, Fields, Guinness and Hope.
(1) Class 1 spelunkers may not explore cave Ewell, Fields or Hope. (2) Class 2 spelunkers may not explore Hope. (3) Class 3 spelunkers may explore any cave. (4) Cave Caesar may be explored only by spelunkers who have previously explored cave Benny. (5) Cave Fields may be explored only by spelunkers who have previously explored cave Ewell. (6) Only two of caves Benny, Caeser, Ewell, Fields and Hope may be explored by any explorer in a single tour.
In how many different ways may a class 1 spelunker, who has never explored any of the eight caves before, set up a tour of three caves, if he wishes to explore caves Abbott and Caesar?