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