List all the hidden variables in this setup. Notation: : = , + 1 , ... , X a:b =X a ,X a+1 ,...,X b for ab. The following checkbox options contain math elements, so you may need to read them in your screen reader's "reading" or "browse" mode instead of "forms" or "focus" mode. Choice 1 of 11: W Choice 2 of 11: 0 S 0 Choice 3 of 11: 1 : 1 S 1:N1 Choice 4 of 11: 0 P 0 Choice 5 of 11: 1 : 1 P 1:N1 Choice 6 of 11: 0 R 0 Choice 7 of 11: 1 : 1 R 1:N1 Choice 8 of 11: 0 C 0 Choice 9 of 11: 1 : 1 C 1:N1 Choice 10 of 11: 0 A 0 Choice 11 of 11: 1 : 1 A 1:N1