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