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