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