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