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