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