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