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