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