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