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