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