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