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