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