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