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