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