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