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