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