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