Question: Extract the answer to the following question from the movie plot. If the question isn't answerable, please output "Can't answer". Question: In the movie, which two characters enter the underground hive and find the guards dead? Title: Priest Movie plot: A centuries long war between humans and vampires has devastated the planet's surface and led to a theocracy under an organization called The Church. They constructed giant walled cities to protect mankind and developed a group of elite warriors, the Priests, to turn the tide against the vampires. The majority of the vampires were killed, while the remainder were placed in reservations. With the war over, the Clergy disbanded the Priests. Outside the walled cities, some humans seek out a living, free from the totalitarian control of the Church. Priest is approached by Hicks, the sheriff of Augustine, a free town. Priest learns that his brother and his wife, Shannon - Priest's girlfriend before he entered the priesthood - were mortally wounded in a vampire attack, and Priest's niece, Lucy, was kidnapped. Hicks asks for Priest's help in rescuing Lucy. Priest asks the Clergy to reinstate his authority, but Church leader Monsignor Orelas (Christopher Plummer) does not believe the vampire story and refuses. Priest defiantly leaves the city and Orelas sends three Priests and a Priestess to bring him back. Priest and Hicks arrive at Nightshade Reservation where humans called Familiars, people infected with a pathogen that makes them subservient to the vampires, live alongside a number of the surviving vampires. After a fierce battle, the pair discovers that most of the vampires have taken shelter in Sola Mira, a vampire hive where Priest lost several of his comrades during a major battle. Priestess joins them at Sola Mira, revealing a bond with Priest. The trio destroys a Hive Guardian vampire, then discover that the vampires have bred a new army and dug a tunnel out of the mountain towards a town called Jericho. The other three Priests have arrived at Jericho just as night falls and an armored train arrives, unleashing hundreds of vampires upon the population. The vampires are led by a powerful and mysterious human wearing a black hat. When the three Priests reject Black Hat's offer to join him, he kills them...
Answer:
priest and priestess