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