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