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