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