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