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