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