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