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