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