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