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