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