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