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