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