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