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