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