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