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