Okay, these questions are purely academic.
Scenario 1. Lets say you are holding Aces and Villian is Holding KKs. What would the best flop, turn and river for Aces to win 4 of a kind over KKs 4 of a kind? What would make both go all in?
Scenario 2. What is the best Flop, Turn, river to get 4 people holding AA, KK, QQ, JJ to go all in?