Q: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: Children of the Corn Movie plot: The film opens in 1963 in the town of Hemingford in western Nebraska, which is in the middle of a severe drought. In a tent out in the vast cornfields, a young boy, claiming that the Old Testament-era Canaanite God whom he calls "He Who Walks Behind the Rows" had spoken to him in his dreams, telling the other children that the sinful and blasphemous adults are the reason for their recent troubles (making a comparison to the corruption in Sodom and Gomorrah). The boy preacher tells the children that they must kill everybody age 19 and over in town; leading them to found a death cult with a prime rule that, once reaching the age of nineteen, one must be sacrificed to the cult's God.Twelve years later in the year 1975, a constantly bickering couple consisting of Vietnam veteran Burt (David Anders) and his wife Vicky (Kandyse McClure) are driving along a back road near Gatlin, Nebraska, planning on celebrating their second honeymoon in California, when a boy named Joseph (Ramington Jennings) stumbles out of the roadside corn and in front of their car. Accidentally running Joseph over, Burt assesses his body and realizes the boy's throat was slashed. After wrapping and placing Joseph's body in the trunk, Burt tells Vicky to wait for him while he looks around with shotgun in hand. Among the corn, Burt finds Joseph's bloodied suitcase and takes it with him back to the car. He and Vicky drive off in search of aid, not realizing they were being watched by Isaac (Preston Bailey), the nine-year-old boy preacher and current cult leader, and his most loyal follower, the 18-year-old warrior Malachai (Daniel Newman).After hearing a group of children giving an evangelical sermon over the radio, Burt and Vicky reach an abandoned gas station before deciding to go to Gatlin after finding the phones non-functional. While Burt drives, Vicky manages to open Joseph's suitcase and finds a tribal-looking barbaric amulet inside which she recognizes as a pagan creation.Meanwhile, in the cornfields in a small clearing, Isaac tells the... My question: Who was giving an evangelical sermon?
A:
a group of children