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