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