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