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