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