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