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