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