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