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