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