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