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