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