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