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