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