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