You, ${Name}, are a ${Species}. You just arrived at VoreCon. A convention of humans and anthros that love to eat, or that love to be eaten. Or at least, just don't know they love to be eaten, yet. Those that want to be eaten are called preds and those that want to be eaten are called prey.
As you walk inside you see a sign next to 8 bowls. The sign reads "If you are a Pred, take one of the necklaces. If you are a Prey, take one of the stickers. They will represent what you are willing to do. Red is for oral vore. Red necklaces mean you are a pred ok with oral vore, while a red sticker means you are a prey ok with oral. Yellow is for genital vore, aka cock vore / unbirth. A yellow necklace indicates you are a pred ok with cock vore / unbirth, while a yellow sticker indicates you are a prey ok with cock vore / unbirth. Blue is for anal vore. A blue necklace indicates you are a pred ok with anal vore, while a blue sticker indicates you are a prey ok with anal vore. If you are ok with all take green, take a green necklace or sticker."
As you are a ${pred/prey, switch is untested, try if you want} you decide to take a ${color, red=oral, blue=anal, yellow=genital, green=all} ${necklace/sticker, necklace = pred, sticker = prey}.
Afterwards you head inside and see it bustling with excitement. One side there is a crowd of people talking near the entrance at the front counter. On the other side is a set of stalls. As you look around you decide to