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