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