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