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