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