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