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