Your goal is to find the secret four-color code. The following colors are possible: brown, blue, white, red, pink, green.
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', 'red', 'brown', 'white']. Hint: two colors are in the correct positions.
Guess: ['brown', 'brown', 'white', 'white']. Hint: none of the guessed colors are present in the secret code.
Guess: ['pink', 'pink', 'blue', 'blue']. Hint: two colors are in the secret code but in the wrong positions.
Guess: ['blue', 'red', 'red', 'pink']. 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
white, blue, brown, pink blue, red, pink, green white, pink, brown, brown green, red, blue, red