Would you rather go down on your Mom, Dad, or each other? Boom.
Our father passed away from cancer in 1997. So would you care to retract your hypothetical? #beartrap
Regardless of your father's untimely death, this question begs for an answer.
I woud rather avoid the question and, instead ask you to follow this link to a picture of Angie Dickinson when she was hot back in the day.
http://1.bp.blogspot.com/_AKuqfLXx2vo/TEj2I4vzrbI/AAAAAAAACJU/nGc8mpsL_Ns/s1600/angie.jpg
Would you rather go down on your Mom, Dad, or each other? Boom.