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