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