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