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