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