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