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