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