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