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