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