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