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