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