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