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