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