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