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