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