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