Please answer the following question: I am a movie director and I just received the following movie plot. Could you help me answer this question? If not, let me know by writing "Not answerable". Plot title: I Am Number Four Movie plot: An alien from planet Lorien (Alex Pettyfer) was sent to Earth as a child alongside eight others to escape an invading race, the Mogadorians, which destroyed their home planet. He is protected by a Warrior/Guardian called Henri (Timothy Olyphant), and has developed superpowers due to his extraterrestrial nature, such as enhanced strength, speed and agility, telekinesis, resistance to fire and heat, and the power to generate light from his hands.The Mogadorians, led by the Commander (Kevin Durand) eventually discover about the nine toddlers and come to Earth in search of them. These Loriens can only be killed in a particular sequence, with three of them having already been slain. John is Number Four. Knowing this, he and Henri move from Florida to Paradise, Ohio, where John befriends conspiracy theorist Sam Goode (Callan McAuliffe), a dog named Bernie Kosar, and falls in love with amateur photographer Sarah Hart (Dianna Agron), whose ex-boyfriend, school athlete Mark James (Jake Abel) is a bully who often torments both John and Sam.During the spring carnival, Mark and his friends capture John and Sarah, whom they believe are in a relationship, and follow them into the woods, where they attempt to beat John up. However, he uses his powers to fend them off and rescue Sarah. Sam witnesses the events, and John tells him his true origin. Shortly thereafter, Mark's father, the local sheriff, interrogates Henri on John's whereabouts when his son and his friends were attacked, and notices that he has a high-tech surveillance system.Henri tells John that too many people are suspicious of them, in addition to John's random displays of power, caused by his difficulty in controlling them, and that they must leave. However, John tells him he can't disappear just like that because he's in love with Sarah.The Mogadorians start searching for John. Another alien from Lorien, Number Six (Teresa Palmer), decided to go after the Mogadorians instead of running away from them after her Guardian was murdered. The Mogadorians... My question: How many toddlers are hidden on Earth?
A:
Nine extraterrestrial toddlers are hidden on Earth.