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