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