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