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