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