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