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