Task: Sentence Expansion
Input (English): There are seven types of sea turtles : Kemp 's Ridley , Flatback , Green , Olive Ridley , Loggerhead , Hawksbill and the leatherback .
Output (English): The seven existing species of sea turtles are the green sea turtle , loggerhead sea turtle , Kemp 's ridley sea turtle , olive ridley sea turtle , hawksbill sea turtle , flatback sea turtle , and leatherback sea turtle .