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