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