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