Your goal is to find the secret four-color code. The following colors are possible: green, red, purple, blue, pink, white.
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', 'pink', 'white', 'red']. Hint: three colors are in the correct positions.
Guess: ['green', 'green', 'red', 'purple']. Hint: one color is in the correct position and two colors are in the secret code but in the wrong position.
Guess: ['green', 'purple', 'white', 'red']. Hint: two colors are in the correct positions and one color is in the secret code but in the wrong positions.
A B C D
green, pink, purple, red purple, blue, white, white red, green, red, white blue, white, green, red