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