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