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