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