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