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