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