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