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