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