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