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