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