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