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