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