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