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