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