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