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