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