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