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