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