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