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