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