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