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