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