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