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