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