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