Your goal is to find the secret four-color code. The following colors are possible: red, white, purple, pink, blue, green.
Some guesses have already been made. I will provide feedback for each guess made with which it is possible to unambigiously determine the secret code.

Previous Guesses:
Guess: ['green', 'purple', 'red', 'pink']. Hint: three colors are in the secret code but in the wrong positions.
Guess: ['red', 'red', 'white', 'purple']. Hint: two colors are in the correct positions.
Guess: ['pink', 'red', 'blue', 'purple']. Hint: two colors are in the secret code but in the wrong positions.
A B C D
green, pink, white, white red, green, blue, blue red, pink, white, green purple, blue, white, pink