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