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