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