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