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