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