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