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