I need help with a logic project

Introduction :
In this guess the card problem , there are four players playing the game. Each player is given
three cards from 1 to 9 and each one can see the cards of other three. Now the game is to
guess your own cards .A set of random questions which will lead to find out the solution are
then asked from each player and others keep an account of the answers to reach the ultimate
solution. One who guesses his cards first, is the winner of the game.
Task:
There are four players , Andy ,Belle , Carol and me , who are playing this guess the
card game.The cards which I can see are as follows:
Andy has 1,3,7
Belle has 3,4,7
Carol has 4,6,8
All of them what I have and now my task now is to find my cards which the other...