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