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