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