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