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