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