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