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