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