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