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