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