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