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