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