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