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