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