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