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