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