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