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