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