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