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