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