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