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