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