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