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