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