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