What is a Situation Manual $($SitMan$)?$

A$.$ The primary reference material for players, a text$-$based document for use in TTX$\text{'}$s and games only

B$.$ The primary reference material for all participants, a text$-$based document for use in Table Top Exercises $($TTXs$)$ and games only

C$.$ The primary reference material for facilitators, a textual background for facilitated exercises

D$.$ The primary reference material for all participants, a textual background for facilitated exercises