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