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