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