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