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