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