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