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