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