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