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