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