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