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