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