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