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