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