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