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