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