Given a question and a context passage, generate the answer having the word or phrase from the context passage. Here, the answer should be a shortest continous span from the passage.

[Q]: Context: A Viking boy called Hiccup (voice: Jay Baruchel) introduces his village of Berk ("it's been here for seven generations, but every single building is new"). The village is attacked by dragons, who steal food (mostly sheep) and set things on fire (hence all the new buildings). The villagers grab weapons and try to fight the dragons off. Despite being told by every adult in sight to go indoors, Hiccup hauls out a bolas-shooting cannon he made himself and shoots a dragon out of the night sky. (As assistant to the village blacksmith, Gobber (voice: Craig Ferguson), Hiccup has access to tools and materials and knows how to use them.) The dragon lands in the woods some distance form the village and no one believes that he hit anything, so it's the next day before Hiccup can go looking for it. It turns out to be a rare and deadly Night Fury, but Hiccup can't make himself kill it. Instead he releases it -- whereupon it also refrains from killing Hiccup -- and it flies off through the trees.Hiccup discovers that the dragon (which he eventually calls Toothless because of its retractable teeth) has holed up in a steep-sided valley because it can no longer fly more than a few feet at a time. While sketching the dragon, Hiccup realizes that it's missing a tail fin. He makes a prosthetic tail fin out of leather. The new fin helps, but Toothless can't control it and inadvertently takes Hiccup for a ride, giving him a clear idea of what's needed to help the dragon fly right. In a series of workshop and test flight scenes, Hiccup builds and perfects a saddle, a control mechanism for the tail fin, and a safety harness.Meanwhile, Hiccup's father Stoick (voice: Gerard Butler) has signed him up for dragon training with Gobber, which is very different from the training he's already doing with Toothless: he's going to learn to fight dragons. At first, he's the worst student in the class. Since Hiccup has always been an accident-prone klutz, this comes as no surprise to his classmates Astrid (voice: America Ferrera), Snotlout (voice: Jonah Hill), Fishlegs (voice: Christopher Mintz-Plasse), Ruffnut (voice: Kristen Wiig), and her twin brother Tuffnut (voice: T.J. Miller). (Hiccup's a little sweet on Astrid.) Before long, Hiccup is able to use some things he's learned while working with Toothless to soothe and manage the school's practice dragons. (It turns out dragons are just big kitty-cats: they like to be petted, there's a kind of grass that's like cat-nip to them, and they love fish (but hate eels).) When Stoick returns from a failed search for the fabled nest of the dragons, he's surprised but thrilled to hear that his son is doing brilliantly at dragon training. He gives Hiccup a horned helmet made from one of his dead mother's breastplates. But Hiccup, as usual, is unable to get around his father's expectations and speak frankly, so he can't explain that his success at dragon school is unlikely to lead to the slaying of any dragons.When Hiccup subdues a practice dragon, unintentionally earning the privilege of killing it before the entire village, he's horrified and decides to flee with Toothless. However Astrid, having noticed Hiccup's frequent disappearances and secretive behavior, is suspicious. She follows him to the hidden valley and sees Toothless. Unable to explain his relationship with the dragon, Hiccup takes her flying, and she's captivated. But they get caught up in a flock of dragons returning to their nest carrying food. The dragons fly inside a mountainous island and drop the food into a pit, which turns out to contain a huge, terrifying, and very hungry dragon that eats the smaller ones if they don't bring it enough food. Hiccup and Astrid and shocked to realize that the dragons have been stealing their sheep to keep from being eaten themselves. When they get home, 
 Question: What kind of class is Hiccup attending?
[A]: dragon training


[Q]: Context: What determines if a baby is a male or female? Recall that you have 23 pairs of chromosomesand one of those pairs is the sex chromosomes. Everyone has two sex chromosomes. Your sex chromosomes can be X or Y. Females have two X chromosomes (XX), while males have one X chromosome and one Y chromosome (XY). If a baby inherits an X chromosome from the father and an X chromosome from the mother, what will be the childs sex? The baby will have two X chromosomes, so it will be female. If the fathers sperm carries the Y chromosome, the child will be male. Notice that a mother can only pass on an X chromosome, so the sex of the baby is determined by the father. The father has a 50 percent chance of passing on the Y or X chromosome, so there is a 50 percent chance that a child will be male, and there is a 50 percent chance a child will be female. This 50:50 chance occurs for each baby. A couples first five children could all be boys. The sixth child still has a 50:50 chance of being a girl. One special pattern of inheritance that doesnt fit Mendels rules is sex-linked inheritance, referring to the inher- itance of traits that are located on genes on the sex chromosomes. Since males and females do not have the same sex chromosomes, there will be differences between the sexes in how these sex-linked traitstraits linked to genes located on the sex chromosomesare expressed. Sex-linked traits usually refer to traits due to genes on the X chromosome. One example of a sex-linked trait is red-green colorblindness. People with this type of colorblindness cannot tell the difference between red and green. They often see these colors as shades of brown ( Figure 1.1). Boys are much more likely to be colorblind than girls ( Table 1.1). This is because colorblindness is a sex-linked, recessive trait. Boys only have one X chromosome, so if that chromosome carries the gene for colorblindness, they will be colorblind. As girls have two X chromosomes, a girl can have one X chromosome with the colorblind gene and one X chromosome with a normal gene for color vision. Since colorblindness is recessive, the dominant normal gene will mask the recessive colorblind gene. Females with one colorblindness allele and one normal allele are referred to as carriers. They carry the allele but do not express it. How would a female become colorblind? She would have to inherit two genes for colorblindness, which is very unlikely. Many sex-linked traits are inherited in a recessive manner. Xc Xc X (carrier female) Xc Y (colorblind male) X Y X XX (normal female) XY (normal male) According to this Punnett square ( Table 1.1), the son of a woman who carries the colorblindness trait and a male with normal vision has a 50% chance of being colorblind. 
 Question: most sex-linked genes are ___________.
[A]: recessive


[Q]: Context: September 1939. Mrs. Kay Miniver (Greer Garson) and her family live a comfortable life at a house called 'Starlings' in Belham, a fictional village outside London, England. The house has a large garden, with a private landing stage on the River Thames at which is moored a motorboat belonging to her devoted husband Clem (Walter Pidgeon), a successful architect. They have three children: the youngsters Toby and Judy (Christopher Severn and Clare Sandars) and an older son Vin (Richard Ney) at university. They have live-in staff: Gladys the housemaid (Brenda Forbes) and Ada the cook (Marie De Becker).As World War II looms, Vin comes down from university and meets Carol Beldon (Teresa Wright), granddaughter of Lady Beldon (Dame May Whitty) from nearby Beldon Hall. Despite initial disagreements (mainly contrasting Vin's idealistic attitude to class differences with Carol's practical altruism) they fall in love. Vin proposes to Carol in front of his family at home after his younger brother prods him to give a less romantic but more honest proposal.Several months later, as the war comes closer to home with the bombing of Great Brittan, Vin feels he must "do his bit" and enlists in the Royal Air Force, qualifying as a fighter pilot. He is posted to a base near to his parents' home and is able to signal his safe return from operations to his parents by cutting his engines briefly as he flies over the house. Together with other boat owners, Clem volunteers to take his motorboat to assist in the May-June 1940 Dunkirk evacuation.Early one morning, Kay unable to sleep as Clem is still away, wanders down to the landing stage. She is startled to discover a wounded German pilot (Helmut Dantine) hiding in her garden and he holds her at gunpoint. Demanding food and a coat, the pilot maniacally asserts that the Third Reich will mercilessly overcome its enemies. She feeds him, calmly disarms him and then calls the police. Soon after, Clem returns home, exhausted, from Dunkirk.Lady Beldon visits Kay to try and convince her to talk Vin out of marrying Carol on account of her granddaughter's comparative youth. Lady Beldon is unsuccessful and admits defeat when Kay reminds her that she, too, was young when she married her late husband. Lady Beldon concedes defeat and realises that she would be foolish to try and stop the marriage. Vin and Carol are married; Carol has now also become Mrs Miniver, and they return from their honeymoon in Scotland. A key theme is that she knows he is likely to be killed in action, but the short love will fill her life. Later, Kay and her family take refuge in their Anderson shelter in the garden during an air raid, and attempt to keep their minds off the frightening bombing by reading Alice's Adventures in Wonderland, which Clem refers to as a "lovely story" as they barely survive a bomb destroys parts of the house. They take the damage with nonchalance.At the annual village flower show, Lady Beldon silently disregards the judges' decision that her rose is the winner, instead announcing the entry of the local stationmaster, Mr. Ballard (Henry Travers), named the "Mrs. Miniver" rose, as the winner, with her own rose taking second prize. As air raid sirens sound and the villagers take refuge in the cellars of Beldon Hall, Kay and Carol drive Vin to join his squadron. On their journey home they witness fighter planes in a 'dogfight'. For safety, Kay stops the car and they see the German plane crash. Kay realises Carol has been wounded by shots from the plane and takes her back to 'Starlings'. She dies a few minutes after they reach home. Kay is devastated. When Vin returns from battle, he already knows the terrible news. Unexpectedly he is the survivor, and she the one who gives her life for England.The villagers assemble at the badly damaged church where their vicar (Henry Wilcoxon) affirms their determination in a powerful sermon:"We in this quiet corner of England have suffered the loss of friends very dear to us, some 
 Question: Where did the villagers take refuge from air sirens?
[A]:
anderson shelter in the garden