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